Where does “leftest” come from?

leftest (English) comes from English left, from Middle English left, from Middle English laft, from Old English læfd, from Old English lǣfan, from Frankish laibijan, from Proto-Germanic laibijaną, from Proto-Germanic lībaną — to leave, let; to want, desire; to let; leave...

leftest (English): superlative form of left: most left;...

Definitions

  1. superlative form of left: most left;...

Ancestry of “leftest”, step by step

leftest traces back through two separate lines of ancestry.

via English left

StepLanguageWordMeaning
1EnglishleftThe opposite of right; toward the west when one...
2Middle Englishleft
3Middle Englishlaftpast participle of leave
4Old Englishlæfd
5Old Englishlǣfanto leave
6Frankishlaibijanto leave; to leave behind
7Proto-Germaniclaibijanąto leave behind, to leave remaining
8Proto-Germaniclībanąto remain, to be left
9Proto-Indo-Europeanleyp-to stick; fat or sticky substance
10Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...

via English Est

StepLanguageWordMeaning
1EnglishEstestablished
2Middle Englishestegrace, est, favour; pleasure, enjoyment, fun;...
3Old Englishēstwill, consent, favour, grace, liberality,...
4Proto-West Germanic*anstifavour
5Proto-Germanicanstizfavour, affection
6Proto-Germanicunnanąto grant, bestow
7Proto-Indo-Europeanān-to notice; face, mouth
Every word from Proto-Indo-European lēy-