Where does “tasasuuntaisuus” come from?

tasasuuntaisuus (Finnish) comes from Finnish tasasuuntainen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

tasasuuntaisuus (Finnish): unidirectionality

Definitions

  1. unidirectionality

Ancestry of “tasasuuntaisuus”, step by step

tasasuuntaisuus traces back through two separate lines of ancestry.

via Finnish tasasuuntainen

StepLanguageWordMeaning
1Finnishtasasuuntainenunidirectional
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →