Where does “cuțitoaie” come from?

cuțitoaie (Romanian) comes from Romanian cuțit, from Latin cotitus, from Latin cotire, from Latin cos, from Proto-Italic kōtis, from Proto-Indo-European ḱeh₃- — to sharpen, whet; sharpen.

cuțitoaie (Romanian): drawknife

Definitions

drawknife

Ancestry of “cuțitoaie”, step by step

Step	Language	Word	Meaning
1	Romanian	cuțit	knife
2	Latin	cotitus	sharpened
3	Latin	cotire	sharpen
4	Latin	cos	whetstone
5	Proto-Italic	kōtis	—
6	Proto-Indo-European	ḱeh₃-	to sharpen, whet; sharpen

Every word from Proto-Indo-European ḱeh₃- →Every word from Proto-Italic kōtis →Every word from Latin cos →