Welcome to C2. The grammar is finished; from here on the work is depth, precision and register. This lesson is the one that changes how you read a dictionary.
Consider eau and aquatique. Same meaning, no shared letters. Or doigt and digital. Or frêle and fragile, hôtel and hôpital, écouter and auscultation. In each pair, both words descend from the same Latin word — one by a thousand years of sound change in the mouths of speakers, the other lifted straight off the page by medieval scholars. French is a language with two layers, and once you can see the seam you can predict thousands of words.
| Layer | What it gave French | Examples |
|---|---|---|
| Gaulish (Celtic, pre-Roman) | a hundred-odd words, mostly rural | chêne, bruyère, charrue, alouette, mouton |
| Vulgar Latin (the base) | the overwhelming majority of the core lexicon | eau, main, père, faire, chaud |
| Frankish (Germanic) | war, farming, colour, feeling — and the name français | guerre, gagner, jardin, bleu, honte, hardi |
| Learned Latin (from the 13th c.) | the abstract and technical vocabulary | fragile, hĂ´pital, digital, aquatique |
| Arabic (via Spain and trade) | science, food, commerce | algèbre, chiffre, zéro, sucre, abricot, coton |
| Italian (Renaissance) | art, architecture, war, banking | balcon, sonnet, soldat, banque, opéra |
| English (18th c. onwards) | politics, sport, technology, business | budget, parlement, match, week-end, ordinateur (a French answer) |
Words beginning with gu- often betray a Germanic origin, because Frankish w- was borrowed as gu-: guerre (cf. English war), gagner, garder (ward), guĂŞpe, Guillaume (William). Spot the pattern and you have identified a whole stratum of the language.
A doublet is a pair of French words from one Latin source: the mot populaire, worn smooth by centuries of speech, and the mot savant, copied from the written form. The division of labour is consistent — popular = concrete and everyday, learned = abstract and technical.
| Latin | Popular | Learned | The split in meaning |
|---|---|---|---|
| fragilis | frĂŞle | fragile | frail (of a person) / fragile (of a thing) |
| hospitale | hĂ´tel | hĂ´pital | hotel / hospital |
| digitalis | doigt | digital | finger / digital |
| aqua | eau | aquatique | water / aquatic |
| auscultare | Ă©couter | auscultation | to listen / medical listening |
| capitale | cheptel | capital | livestock / capital |
| separare | sevrer | séparer | to wean / to separate |
| liberare | livrer | libérer | to deliver / to liberate |
| officina | usine | officine | factory / dispensary |
| nativus | naĂŻf | natif | naive / native |
Because the learned form preserves the Latin, it is predictable from the Latin, not from the French. This is why the adjective often looks nothing like its noun — and why knowing the pattern is worth thousands of words.
| Everyday noun | Learned adjective | Shared Latin root |
|---|---|---|
| l’eau | aquatique, aquifère | aqua |
| le doigt | digital | digitus |
| l’œil | oculaire | oculus |
| le foie | hépatique | hepar (Greek) |
| le rein | rénal | ren |
| le cheval | Ă©questre, Ă©quin | equus |
| la ville | urbain | urbs |
| le temps | temporel | tempus |
| le lait | lacté, lactique | lac, lactis |
| la nuit | nocturne | nox, noctis |
The silent letters are not decoration. They are etymological signposts, often reinserted deliberately by Renaissance printers who wanted the Latin visible.
| Silent letter | Word | What it points to |
|---|---|---|
| silent p | temps | Latin tempus → temporel |
| silent g | doigt | digitus → digital |
| silent d | poids | pondus → pondéral |
| silent s | temps, corps | Latin stem |
| circumflex | hôpital, île, âme | a lost s: hospitale, insula, anima |
| silent h | théâtre, rhétorique | Greek spelling |
The circumflex is the most useful of these: it usually marks a vanished s, which is why hôpital has one and hospitalier does not, and why fête relates to festival, île to insulaire, and forêt to forestier.
Greek roots do the technical work, and unlike Latin doublets they combine freely, which means you can decode words you have never seen.
| Element | Meaning | Example |
|---|---|---|
| -logie | study of | la dermatologie |
| -graphie | writing, recording | l’échographie |
| -crate / -cratie | power | la technocratie |
| -phobie / -philie | fear / love of | la francophilie |
| hydro- | water | hydroélectrique |
| auto- | self | l’autodérision |
| poly- / mono- | many / one | polyvalent, monolingue |
| anti- / para- | against / alongside | antisèche, paramédical |
The dangerous false friends at C2 are the learned ones, where French and English borrowed the same Latin root and then diverged.
| French | Means | Does NOT mean |
|---|---|---|
| Ă©ventuellement | possibly | eventually |
| actuellement | currently | actually |
| Ă©vidence | obviousness | evidence (= preuve) |
| sensible | sensitive | sensible (= raisonnable) |
| ignorer | not to know | to ignore (= ne pas tenir compte de) |
| résumer | to summarise | to resume (= reprendre) |
| contrôler | to check | to control (= maîtriser) |
| disposer de | to have available | to dispose of (= se débarrasser de) |
Look up any word in the CNRTL's Trésor de la langue française online and read only the Étymol. et Hist. section at the bottom. It gives the first attested date, the source language and the semantic shifts. Ten minutes a day there will teach you more French vocabulary than any list, because you stop learning words and start learning families.
France's terminology commissions coin learned replacements for English borrowings using exactly these Greek and Latin resources — logiciel, ordinateur, numérique, baladodiffusion. Some succeed completely (ordinateur has no rival), some fail entirely (mercatique for marketing). The pattern of which ones stick is a good indicator of how little institutional decree can do against usage — see lesson 23.
Québec coins far more aggressively than France, and its coinages often travel back: courriel, clavardage, pourriel, baladodiffusion were all Québécois before they were French. The reason is structural — with English on every side, borrowing is not neutral, so the OQLF builds French words from the same classical stock instead. Québécois French also preserves some older French words that France lost (barrer la porte, char for a car), which are archaisms rather than anglicisms.
Write latin, francique, arabe or italien.
Which letter has disappeared under the accent?
Give the English meaning of the French word.
1. Why do frĂŞle and fragile look so different?
2. A circumflex in hĂ´pital most often marks:
3. Words in gu- such as guerre and gagner suggest: