Where does “apulause” come from?

apulause (Finnish) comes from Finnish lause, from Finnish lausua, from Proto-Finnic lausudak.

apulause (Finnish): lemma

Definitions

Step	Language	Word	Meaning
1	Finnish	lause	clause; sentence; theorem
2	Finnish	lausua	to say, speak, utter, pronounce; to pronounce,...
3	Proto-Finnic	lausudak	—

apulause — Etymology, Origin & Word History | Etymology Explorer