Where does “fluorihappo” come from?

fluorihappo (Finnish) comes from Finnish fluori, from Swedish fluor, from Latin fluor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs, from Proto-Indo-European -oss, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Ancestry of “fluorihappo”, step by step

fluorihappo traces back through two separate lines of ancestry.

via Finnish fluori

StepLanguageWordMeaning
1Finnishfluorifluorine
2Swedishfluorfluorine
3Latinfluorflow
4Latin-orused to form a third-declension masculine...
5Proto-Italic-ōsCreates masculine action nouns or result nouns...
6Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
7Proto-Indo-European-oss
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Finnish happo

StepLanguageWordMeaning
1FinnishhappoAny sour or acidic liquid: acid; A substance that...
2RussianАгапий
3Old East SlavicАга́пии
4Old Church SlavonicАга́пии
5Ancient GreekᾸ̓γᾰ́πῐος
6Ancient Greekἀγαπάωto show affection for the dead; to treat with...
Every word from Proto-Indo-European -os