The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Italic*aikʷos?
- Old Latinaiquos
- Latinaequus
- Proto-Indo-European*wekʷ-
- Proto-Indo-European*wokʷ-
- Latinvocō
- Late Latinaequivocus
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishequivocal
- English todayunequivocal
Etymology from Wiktionary, CC BY-SA 4.0.