Where does “opilka” come from?

opilka (Ingrian) comes from Russian опилка, from Russian опили́ть, from Russian о-, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

opilka (Ingrian): sawdust

Definitions

sawdust

Ancestry of “opilka”, step by step

Step	Language	Word	Meaning
1	Russian	опилка	shaving, filing, sawdust
2	Russian	опили́ть	to file or saw all sides of
3	Russian	о-	prefix added to adjectives or nouns to produce...
4	Proto-Slavic	o(b)	around, about; concerning; against, on
5	Proto-Balto-Slavic	ab	—
6	Proto-Indo-European	h₃ebʰi	—

Every word from Proto-Indo-European h₃ebʰi →Every word from Russian о- →Every word from Proto-Balto-Slavic ab →