Where does “lavo” come from?

lavo (Finnish) comes from Finnish lava, from Proto-Finnic lava, from Proto-Baltic lā́ˀwāˀ.

Ancestry of “lavo”, step by step

StepLanguageWordMeaning
1Finnishlavabed; platform; stage
2Proto-Finniclavasleeping place, bed
3Proto-Balticlā́ˀwāˀ—
Every word from Proto-Baltic lā́ˀwāˀ →Every word from Proto-Finnic lava →Every word from Finnish lava →