Where does “valotusaukko” come from?

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

valotusaukko (Finnish): aperture

Definitions

  1. aperture

Ancestry of “valotusaukko”, step by step

valotusaukko 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 aukko

StepLanguageWordMeaning
1Finnishaukkohole; gap; opening
2Proto-Finnicaukkohole; gap, opening
Every word from Proto-Uralic -kta- →Every word from Finnish -ttää →Every word from Proto-Finnic -ttadak →