Where does “valotustaso” come from?

valotustaso (Finnish) comes from Finnish valotus, from Finnish valottaa, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

valotustaso (Finnish): platen flat glass surface of a scanner or photocopier

Definitions

  1. platen flat glass surface of a scanner or photocopier

Ancestry of “valotustaso”, step by step

valotustaso traces back through two separate lines of ancestry.

via Finnish valotus

StepLanguageWordMeaning
1Finnishvalotusexposure
2FinnishvalottaaTo expose; To illuminate
3Finnish-ttääFront vowel variant of -ttaa
4Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
5Proto-Uralic-kta-—

via Finnish taso

StepLanguageWordMeaning
1Finnishtasolevel; standard; wing
2Finnishtasaof equal height; of the same level
3Proto-Finnictasaeven
4Proto-Uralictaśaeven
Every word from Proto-Uralic -kta- →Every word from Finnish -ttää →Every word from Proto-Finnic -ttadak →