Where does “ohutlevykromatografia” come from?

ohutlevykromatografia (Finnish) comes from Finnish ohut, from Proto-Finnic ohut, from Proto-Finnic oha.

Ancestry of “ohutlevykromatografia”, step by step

ohutlevykromatografia traces back through 3 separate lines of ancestry.

via Finnish ohut

StepLanguageWordMeaning
1Finnishohutthin
2Proto-Finnicohutthin
3Proto-Finnicoha—

via Finnish levy

StepLanguageWordMeaning
1Finnishlevyplate; board; slab
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish kromatografia

StepLanguageWordMeaning
1Finnishkromatografiachromatography
Every word from Proto-Finnic oha →Every word from Proto-Finnic ohut →Every word from Finnish ohut →