Where does “serge” come from?

serge (French) comes from Middle French sarge, from Old French sarge, from Vulgar Latin sarica, from Latin sērica, from Ancient Greek σηρικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

serge (French): twill, serge

Definitions

twill, serge

Ancestry of “serge”, step by step

Step	Language	Word	Meaning
1	Middle French	sarge	—
2	Old French	sarge	—
3	Vulgar Latin	sarica	—
4	Latin	sērica	—
5	Ancient Greek	σηρικός	seric, silken
6	Ancient Greek	-ικός	of or pertaining to, in the manner of; -ic
7	Ancient Greek	-κός	forms adjectives with the sense of 'of or...
8	Proto-Indo-European	-ḱos	-y, -ic

Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →