Where does “Transylvanie” come from?

Transylvanie (French) comes from Latin Trānssilvānia, from Latin Silvānus, from Latin silva, from Proto-Indo-European sēl- — to calm, quiet, be favourable.

Ancestry of “Transylvanie”, step by step

StepLanguageWordMeaning
1LatinTrānssilvānia
2LatinSilvānus
3Latinsilvawood, forest; orchard, grove
4Proto-Indo-Europeansēl-to calm, quiet, be favourable
Every word from Proto-Indo-European sēl-Every word from Latin silvaEvery word from Latin Silvānus