The story
- Proto-Indo-European*terh₂-
- Proto-Indo-European*térh₂t
- Proto-Indo-European*tr̥h₂ónts
- Proto-Indo-European*tr̥h₂n̥ts
- Proto-Italic*trāns
- Proto-Italic*trāns-
- Latintrans-
- Proto-Indo-European*sel-der.?
- Latinsilva
- Latinsilvānus
- HungarianErdeuelu
- Medieval LatinTrānsylvānia
- EnglishTransylvania
- English todayTransylvanian
From Transylvania + -an.
Etymology from Wiktionary, CC BY-SA 4.0.