Where does “äkkinäisyys” come from?

äkkinäisyys (Finnish) comes from Finnish äkkinäinen, from Finnish äkki-, from Proto-Celtic akki, from Proto-Indo-European peh₂ḱ- — to join, to attach; agreement, settlement.

äkkinäisyys (Finnish): abruptness

Definitions

  1. abruptness

Ancestry of “äkkinäisyys”, step by step

äkkinäisyys traces back through two separate lines of ancestry.

via Finnish äkkinäinen

StepLanguageWordMeaning
1Finnishäkkinäinensudden, abrupt
2Finnishäkki-sudden
3Proto-Celticakki
4Proto-Indo-Europeanpeh₂ḱ-to join, to attach; agreement, settlement

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Indo-European peh₂ḱ-Every word from Finnish äkki-Every word from Proto-Celtic akki