Reference for Numbers 28:22

וּשְׂעִ֥יר חַטָּ֖את אֶחָ֑ד לְכַפֵּ֖ר עֲלֵיכֶֽם׃

and one he-goat for a sin-offering, to make atonement for you.

Jastrow

BDB

BDB