Where does “gap-toothed” come from?

gap-toothed (English) comes from English gap, from English gape, from Middle English gapen, from Old Norse gapa, from Proto-Germanic gapōną, from Proto-Indo-European ǵʰeh₁y-, from Proto-Indo-European ǵʰih₁-.

gap-toothed (English): Exhibiting a gap between the teeth, especially between the two upper central incisors

Definitions

  1. Exhibiting a gap between the teeth, especially between the two upper central incisors

Ancestry of “gap-toothed”, step by step

gap-toothed traces back through two separate lines of ancestry.

via English gap

StepLanguageWordMeaning
1EnglishgapAn opening in anything made by breaking or...
2EnglishgapeTo open the mouth wide, especially involuntarily,...
3Middle Englishgapen
4Old Norsegapato gape, open the mouth wide
5Proto-Germanicgapōnąto gaze, observe
6Proto-Indo-Europeanǵʰeh₁y-to yawn, gape; to gape, be wide open; to gape,...
7Proto-Indo-Europeanǵʰih₁-

via English toothed

StepLanguageWordMeaning
1EnglishtoothedHaving teeth; Having projections resembling...
2EnglishtoothA hard, calcareous structure present in the mouth...
3Middle EnglishtothAlternative form of tothe
4Old Englishtōþtooth
5Proto-Germanictanþstooth
6Proto-Indo-Europeanh₃dóntstooth
7Proto-Indo-Europeanh₁ed-to eat
Every word from Proto-Indo-European ǵʰih₁-