The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Hellenic*ə-
- Ancient Greekἀ- (a-)
- Englisha-
- 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 todayamoral
Etymology from Wiktionary, CC BY-SA 4.0.