Where does “welleth” come from?

welleth (English) comes from English well, from Middle English wellen, from Old English weallan, from Proto-Germanic wallaną, from Proto-Indo-European wēlH-, from Proto-Indo-European welH- — to turn, to wind.

welleth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “welleth”, step by step

welleth traces back through two separate lines of ancestry.

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

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Indo-European welH-Every word from Proto-Indo-European wēlH-Every word from Proto-Germanic wallaną