Where does “kaiuton” come from?

kaiuton (Finnish) comes from Finnish kaiku, from Finnish kaikua, from Finnish -ua, from Proto-Finnic -üdäk — Forms mainly passive or anticausative verbs.

kaiuton (Finnish): echoless, anechoic

Definitions

  1. echoless, anechoic

Ancestry of “kaiuton”, step by step

kaiuton traces back through two separate lines of ancestry.

via Finnish kaiku

StepLanguageWordMeaning
1Finnishkaikuecho
2Finnishkaikuato echo, reverberate; Partitive singular form...
3Finnish-uaForms stative or inchoative intransitive verbs...
4Proto-Finnic-üdäkForms mainly passive or anticausative verbs

via Finnish ton

StepLanguageWordMeaning
1FinnishtonGenitive singular form of toi; Accusative...
Every word from Proto-Finnic -üdäkEvery word from Finnish -uaEvery word from Finnish kaikua
kaiuton — Etymology, Origin & Word History | Etymology Explorer