Where does “kokonaisheijastua” come from?

kokonaisheijastua (Finnish) comes from Finnish heijastua, from Finnish -ua, from Proto-Finnic -üdäk — Forms mainly passive or anticausative verbs.

kokonaisheijastua (Finnish): to undergo total internal reflection, to be totally internally reflected

Definitions

  1. to undergo total internal reflection, to be totally internally reflected

Ancestry of “kokonaisheijastua”, step by step

kokonaisheijastua traces back through two separate lines of ancestry.

via Finnish heijastua

StepLanguageWordMeaning
1Finnishheijastuato reflect
2Finnish-uaForms stative or inchoative intransitive verbs...
3Proto-Finnic-üdäkForms mainly passive or anticausative verbs

via Finnish kokonainen

StepLanguageWordMeaning
1Finnishkokonainenwhole, full, complete; entire
2Finnishnainenwoman; lady; first-person singular potential...
3Proto-Finnicnainenwoman; wife

Words derived from “kokonaisheijastua

Every word from Proto-Finnic -üdäkEvery word from Finnish -uaEvery word from Finnish heijastua