Where does “tekstitulkkaus” come from?

tekstitulkkaus (Finnish) comes from Finnish teksti, from Esperanto teksto, from Latin textus, from Latin -tus, from Proto-Italic -tus, from Proto-Indo-European -tus — Derives action nouns from verb roots.

Ancestry of “tekstitulkkaus”, step by step

tekstitulkkaus traces back through two separate lines of ancestry.

via Finnish teksti

StepLanguageWordMeaning
1Finnishtekstitext; copy
2Esperantotekstotext; lyrics
3Latintextuswoven, having been woven; texture, structure;...
4Latin-tusForms the past participle of verbs; Forms...
5Proto-Italic-tus—
6Proto-Indo-European-tusDerives action nouns from verb roots

via Finnish tulkkaus

StepLanguageWordMeaning
1Finnishtulkkausinterpretation, interpreting
2Finnishtulkatato interpret
3Finnishtulkkiinterpreter
4Old Swedishtolker—
5Proto-Slavictъlkъinterpretation; interpreter
6Proto-Indo-Europeantelkʷ-to talk
Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin textus →