The story
- Proto-Indo-European*dóru
- Proto-Germanic*trewą
- Proto-West Germanic*treu
- Old Englishtrēow
- Middle Englishtre
- Englishtree
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todaytreeless
Etymology from Wiktionary, CC BY-SA 4.0.