Where does “tarjooja” come from?

tarjooja (Finnish) comes from Finnish tarjota, from Finnish tarjo-, from Finnish -ntä, from Proto-Finnic -nta — Forms action nouns from verbs.

Ancestry of “tarjooja”, step by step

StepLanguageWordMeaning
1Finnishtarjotato offer; to treat; to serve
2Finnishtarjo-—
3Finnish-ntäFront vowel variant of -nta; API
4Proto-Finnic-ntaForms action nouns from verbs
Every word from Proto-Finnic -nta →Every word from Finnish -ntä →Every word from Finnish tarjo- →