Where does “ouais” come from?

ouais (French) comes from French ouï, from Old French oïl, from Vulgar Latin oclus, from Latin oculus, from Proto-Italic okʷelos, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.

ouais (French): yeah, yep, yup, yes, affirmative expression

Definitions

yeah, yep, yup, yes, affirmative expression

Ancestry of “ouais”, step by step

Step	Language	Word	Meaning
1	French	ouï	past participle of ouïr
2	Old French	oïl	Alternative form of oil; yes
3	Vulgar Latin	oclus	eye; Alternative form of oculus
4	Latin	oculus	An eye; the power of sight; a spot resembling an...
5	Proto-Italic	okʷelos	eye
6	Proto-Indo-European	h₃ókʷs	eye
7	Proto-Indo-European	h₃ekʷ-	to see; eye

Every word from Proto-Indo-European h₃ekʷ- →