Where does “sinewed” come from?

sinewed (English) comes from English ED, from Japanese エンディング, from English ending, from Middle English ending, from Middle English endyng, from Old English endung, from Old English endian, from Proto-Germanic andijōną — on, onto.

sinewed (English): Furnished with sinews; Equipped; strengthened

Definitions

  1. Furnished with sinews; Equipped; strengthened

Ancestry of “sinewed”, step by step

sinewed traces back through two separate lines of ancestry.

via English ED

StepLanguageWordMeaning
1EnglishEDInitialism of erectile dysfunction; Initialism of...
2Japaneseエンディングending, especially of a broadcast or performance
3EnglishendingA termination or conclusion; The last part of...
4Middle EnglishendingAlternative form of endyng
5Middle EnglishendyngAn ending, termination, or conclusion;...
6Old Englishendungending
7Old Englishendianto end, make an end of; to finish, complete; to...
8Proto-Germanicandijōnąto end, bring to an end, finish
9Proto-Germanicandijazend
10Proto-Indo-Europeanh₂entíosfront; forehead
11Proto-Indo-Europeanh₂ent-face; forehead; front
12Proto-Indo-Europeanh₂en-on, onto

via English sinew

StepLanguageWordMeaning
1EnglishsinewA cord or tendon of the body; A cord or string,...
2Middle EnglishsynweA tendon or sinew band of collagen
3Old Englishsinusinew, nerve, tendon
4Proto-West Germanicsinusinew
5Proto-Germanicsenawōcord, tendon, sinew; nerve
6Proto-Indo-Europeansnḗh₁wr̥tendon, sinew; sinew, tendon
7Proto-Indo-European(s)neh₁-to spin (thread), to sew
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂entíos