Where does “valkaisulaitos” come from?

valkaisulaitos (Finnish) comes from Finnish laitos, from Finnish laittaa, from Proto-Finnic laittadak, from Proto-Germanic lagjaną, from Proto-Indo-European legʰ- — to lie.

valkaisulaitos (Finnish): bleachery place where bleaching is done

Definitions

bleachery place where bleaching is done

Ancestry of “valkaisulaitos”, step by step

valkaisulaitos traces back through two separate lines of ancestry.

via Finnish laitos

Step	Language	Word	Meaning
1	Finnish	laitos	institution; faculty; facility
2	Finnish	laittaa	to put, set, place; to prepare food; To criticize
3	Proto-Finnic	laittadak	to put down
4	Proto-Germanic	lagjaną	to lay, to place in a resting position
5	Proto-Indo-European	legʰ-	to lie

via Finnish valkaisu

Step	Language	Word	Meaning
1	Finnish	valkaisu	bleaching, whitewashing
2	Finnish	valkaista	To whiten, to bleach
3	Finnish	valkea	white; bright; fire, campfire
4	Proto-Finnic	valkeda	white
5	Proto-Finno-Ugric	wëlketa	—

Every word from Proto-Indo-European legʰ- →Every word from Proto-Germanic lagjaną →Every word from Proto-Finnic laittadak →