Where does “teethridge” come from?

teethridge (English) comes from English ridge, from Middle English rigge, from Old English hryċġ, from Old English tūn, from Proto-West Germanic tūn, from Proto-Germanic tūną, from Gaulish dunum, from Proto-Celtic dūnom — smoke; mist, haze.

Ancestry of “teethridge”, step by step

teethridge traces back through two separate lines of ancestry.

via English ridge

StepLanguageWordMeaning
1EnglishridgeThe back of any animal; especially the upper or...
2Middle Englishrigge
3Old Englishhryċġridge; back, spine, ridge, elevated surface
4Old Englishtūnenclosure, yard; place; dwelling
5Proto-West Germanictūnfence
6Proto-Germanictūnąfence; enclosure
7Gaulishdunumfort; hill, hillfort
8Proto-Celticdūnomstronghold, rampart
9Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English teeth

StepLanguageWordMeaning
1Englishteethplural of tooth; API pl; The ability to be...
2Middle Englishtethplural of tothe
3Old Englishtēþ
4Proto-Germanictanþiz
5Proto-Indo-Europeanh₃dóntes
6Proto-Indo-Europeanh₃dóntstooth
7Proto-Indo-Europeanh₁ed-to eat
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum