Where does “underlieth” come from?

underlieth (English) comes from English underlie, from Middle English underlien, from Old English underliċġan — to underlie, to be subject to, give way to.

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

Definitions

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

Ancestry of “underlieth”, step by step

underlieth traces back through two separate lines of ancestry.

via English underlie

StepLanguageWordMeaning
1EnglishunderlieTo lie in a position directly beneath; To lie...
2Middle Englishunderlien
3Old Englishunderliċġanto underlie, to be subject to, give way to

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Old English underliċġanEvery word from Middle English underlienEvery word from English underlie