Where does “leiwerka” come from?

leiwerka (Old Dutch) comes from Proto-Germanic laiwazikǭ, from Proto-Germanic laiwaz — lark.

Ancestry of “leiwerka”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	laiwazikǭ	lark
2	Proto-Germanic	laiwaz	lark

Words derived from “leiwerka”

Every word from Proto-Germanic laiwaz →Every word from Proto-Germanic laiwazikǭ →