Where does “Treadwell” come from?

Treadwell (English) comes from English tread, from Middle English treden, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

Ancestry of “Treadwell”, step by step

Treadwell traces back through two separate lines of ancestry.

via English tread

StepLanguageWordMeaning
1EnglishtreadTo step or walk (on or across something); to trample
2Middle EnglishtredenTo place one's foot on something; to lay a step...
3Middle English-enDenotes the past participle form when attached to...
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

via English well

StepLanguageWordMeaning
1EnglishwellAccurately, competently, satisfactorily;...
2Middle Englishwellento boil, to bubble
3Old Englishweallanto well
4Proto-Germanicwallanąto well up, spring out, bubble forth
5Proto-Indo-EuropeanwēlH-to roll, to undulate
6Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Proto-Indo-European -no-
Treadwell — Etymology, Origin & Word History | Etymology Explorer