Where does “ridgeless” come from?

ridgeless (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.

ridgeless (English): Without ridges

Definitions

  1. Without ridges

Ancestry of “ridgeless”, step by step

ridgeless 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 less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus

Words derived from “ridgeless

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Gaulish dunum
ridgeless — Etymology, Origin & Word History | Etymology Explorer