Where does “couche-tard” come from?

couche-tard (French) comes from French coucher, from Middle French coucher, from Old French couchier, from Latin collocō, from Latin cōn-, from Latin cum, from Old Latin com, from Proto-Italic kom — to bend; curve; arch; vault; to bow, bend, arch,...

couche-tard (French): night owl one who stays up late at night or goes to bed late

Definitions

night owl one who stays up late at night or goes to bed late

Ancestry of “couche-tard”, step by step

couche-tard traces back through two separate lines of ancestry.

via French coucher

Step	Language	Word	Meaning
1	French	coucher	to lay, to lay down; to put to bed, to put up; to...
2	Middle French	coucher	to put to bed; setting
3	Old French	couchier	to go to bed; to have sex; bedtime
4	Latin	collocō	to place, put, set in order, assign, arrange
5	Latin	cōn-	Used in compounds to indicate a being or bringing together of several objects
6	Latin	cum	with, along with; at; -fold
7	Old Latin	com	Alternative form of cum
8	Proto-Italic	kom	with, along, at
9	Proto-Indo-European	ḱóm	beside, near, by, with
10	Proto-Indo-European	ḱe	Deictic particle, here; Post-positional...
11	Middle English	kyt	—
12	German	kitt	putty certain kinds of cement used for fixing e.g. window panes
13	Old High German	kuti	—
14	Proto-West Germanic	kwidu	gum, resin
15	Proto-Germanic	kweduz	resin
16	Proto-Indo-European	gʷet-	resin, gum; to say, speak
17	Proto-Indo-European	gū-	to bend; curve; arch; vault; to bow, bend, arch,...

via French tard

Step	Language	Word	Meaning
1	French	tard	late
2	Old French	tart	late
3	Latin	tardē	slowly
4	Latin	-ē	ly; used to form adverbs from adjectives
5	Latin	dis-	asunder, apart, in two; reversal, removal;...
6	Latin	calceus	shoe
7	Latin	calx	limestone; chalk; the finish line
8	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Proto-Indo-European gū- →Every word from Latin cōn- →Every word from Proto-Indo-European gʷet- →