Where does “couche” come from?

couche (Old French) comes from Old French couchier, from Latin collocō, from Latin cōn-, from Latin cum, from Old Latin com, from Proto-Italic kom, from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe — to bend; curve; arch; vault; to bow, bend, arch,...

Ancestry of “couche”, step by step

couche traces back through two separate lines of ancestry.

via Old French couchier

StepLanguageWordMeaning
1Old Frenchcouchierto go to bed; to have sex; bedtime
2Latincollocōto place, put, set in order, assign, arrange
3Latincōn-Used in compounds to indicate a being or bringing together of several objects
4Latincumwith, along with; at; -fold
5Old LatincomAlternative form of cum
6Proto-Italickomwith, along, at
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via Gaulish tsukka

StepLanguageWordMeaning
1Gaulishtsukka
2Proto-Germanicstukkazstick; beam; post; stump
3Proto-Indo-European(s)tewg-to push, to hit
4Proto-Indo-European(s)tew-to push, to hit

Words derived from “couche

Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
couche — Etymology, Origin & Word History | Etymology Explorer