The story
- Proto-Indo-European*men-
- Proto-Hellenic*mónwos
- Ancient Greekμόνος (mónos)
- Ancient Greekμονο- (mono-)
- Englishmono-
- Latinspatium
- Old Frenchespace
- Anglo-Normanspace
- Middle Englishspace
- Englishspace
- English todaymonospace
Etymology from Wiktionary, CC BY-SA 4.0.