Where does “spontaanisuus” come from?

spontaanisuus (Finnish) comes from Finnish spontaaninen, from Finnish spontaani, from Latin spontāneus, from Latin -āneus, from Latin -eus, from Proto-Italic *-eos — Forms adjectives indicating being formed out of a material.

spontaanisuus (Finnish): spontaneity

Definitions

  1. spontaneity

Ancestry of “spontaanisuus”, step by step

spontaanisuus traces back through two separate lines of ancestry.

via Finnish spontaaninen

StepLanguageWordMeaning
1Finnishspontaaninenspontaneous
2Finnishspontaanispontaneous
3Latinspontāneusvoluntary, spontaneous
4Latin-āneusforming adjectives Of or pertaining to; -aneous
5Latin-eusargentum + API → argenteus; ferrum + API →...
6Proto-Italic*-eosForms adjectives indicating being formed out of a material

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Italic *-eosEvery word from Latin -eusEvery word from Latin -āneus