The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Indo-European*med-
- Proto-Indo-European*meh₁-
- Proto-Italic*mōs
- Latinmōs
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinmōrālis
- Old Frenchmora
- Middle Englishmoral
- Englishmoral
- English todayunmoral
Etymology from Wiktionary, CC BY-SA 4.0.