Where does “sinewlessness” come from?

sinewlessness (English) comes from English sinewless, from English sinew, from Middle English synwe, from Old English sinu, from Proto-West Germanic sinu, from Proto-Germanic senawō, from Proto-Indo-European snḗh₁wr̥, from Proto-Indo-European (s)neh₁- — to spin (thread), to sew.

sinewlessness (English): Absence of sinews

Definitions

  1. Absence of sinews

Ancestry of “sinewlessness”, step by step

sinewlessness traces back through two separate lines of ancestry.

via English sinewless

StepLanguageWordMeaning
1EnglishsinewlessHaving no sinews; Lacking strength or vigour
2EnglishsinewA cord or tendon of the body; A cord or string,...
3Middle EnglishsynweA tendon or sinew band of collagen
4Old Englishsinusinew, nerve, tendon
5Proto-West Germanicsinusinew
6Proto-Germanicsenawōcord, tendon, sinew; nerve
7Proto-Indo-Europeansnḗh₁wr̥tendon, sinew; sinew, tendon
8Proto-Indo-European(s)neh₁-to spin (thread), to sew

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European (s)neh₁-Every word from Proto-Indo-European snḗh₁wr̥Every word from Proto-Germanic senawō