The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Italic*n̥-
- Latinin-
- Latinim-
- Englishim-
- 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 todayimmoral
Etymology from Wiktionary, CC BY-SA 4.0.