Where does “arkamaisuus” come from?

arkamaisuus (Finnish) comes from Finnish arkamainen, from Finnish arka, from Proto-Finnic arka, from Proto-Germanic argaz, from Proto-Indo-European h₁ergʰ- — to go, move; to mount; to move, go.

Ancestry of “arkamaisuus”, step by step

arkamaisuus traces back through two separate lines of ancestry.

via Finnish arkamainen

StepLanguageWordMeaning
1Finnisharkamainen—
2Finnisharkatender, sore; sensitive; timid, shy, bashful
3Proto-Finnicarkatimid, shy
4Proto-Germanicargazunmanly, cowardly, unworthy, indecent
5Proto-Indo-Europeanh₁ergʰ-to go, move; to mount; to move, go

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Indo-European h₁ergʰ- →Every word from Proto-Germanic argaz →Every word from Proto-Finnic arka →