The story
- Proto-Indo-European*men-
- Proto-Hellenic*mónwos
- Ancient Greekμόνος (mónos)
- Ancient Greekμονο- (mono-)
- Englishmono-
- Proto-Indo-European*ǵem-
- Ancient Greekγᾰ́μος (gắmos)
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- Englishmonogamous
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todaymonogamously
From monogamous + -ly.
Etymology from Wiktionary, CC BY-SA 4.0.