Where does “affilage” come from?

affilage (French) comes from French affiler, from French fil, from Old French fil, from Latin fīlius, from Old Latin fīlios, from Proto-Indo-European dʰeh₁y-li-os, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.

affilage (French): sharpening

Definitions

sharpening

Ancestry of “affilage”, step by step

Step	Language	Word	Meaning
1	French	affiler	to sharpen
2	French	fil	yarn, thread, wire; grain; edge
3	Old French	fil	son; thread
4	Latin	fīlius	—
5	Old Latin	fīlios	—
6	Proto-Indo-European	dʰeh₁y-li-os	sucker
7	Proto-Indo-European	dʰeh₁(y)-	to suckle, nurse

Every word from Proto-Indo-European dʰeh₁(y)- →

affilage — Etymology, Origin & Word History | Etymology Explorer