Where does “puhdistuslaitos” come from?

puhdistuslaitos (Finnish) comes from Finnish puhdistus, from Finnish puhdistaa, from Finnish puhdas, from Proto-Finnic puhtas, from Proto-Indo-European puHtós, from Proto-Indo-European pewH- — to be clean, pure.

puhdistuslaitos (Finnish): water treatment plant

Definitions

  1. water treatment plant

Ancestry of “puhdistuslaitos”, step by step

puhdistuslaitos traces back through two separate lines of ancestry.

via Finnish puhdistus

StepLanguageWordMeaning
1FinnishpuhdistusA cleansing; A purge
2Finnishpuhdistaato clean (up), clear (up), cleanse, purge, scour
3Finnishpuhdasclean; neat, tidy; clear, unpolluted; clear,...
4Proto-Finnicpuhtasclean
5Proto-Indo-EuropeanpuHtóspure, clean
6Proto-Indo-EuropeanpewH-to be clean, pure

via Finnish laitos

StepLanguageWordMeaning
1Finnishlaitosinstitution; faculty; facility
2Finnishlaittaato put, set, place; to prepare food; To criticize
3Proto-Finniclaittadakto put down
4Proto-Germaniclagjanąto lay, to place in a resting position
5Proto-Indo-Europeanlegʰ-to lie
Every word from Proto-Indo-European pewH- →Every word from Proto-Indo-European puHtós →Every word from Proto-Finnic puhtas →