Where does “onttous” come from?

onttous (Finnish) comes from Finnish ontto, from Finnish onsi, from Proto-Finnic onci, from Proto-Finno-Ugric omte — cavity.

onttous (Finnish): hollowness

Definitions

  1. hollowness

Ancestry of “onttous”, step by step

onttous traces back through two separate lines of ancestry.

via Finnish ontto

StepLanguageWordMeaning
1Finnishonttohollow
2FinnishonsiSynonym of ontelo
3Proto-Finniconcicavity
4Proto-Finno-Ugricomtecavity

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Finno-Ugric omte →Every word from Proto-Finnic onci →Every word from Finnish onsi →