Where does “threadbarity” come from?

threadbarity (English) comes from English threadbare, from English bare, from Middle English bare, from Old English bær, from Proto-West Germanic baʀ, from Proto-Germanic bazaz, from Proto-Indo-European bʰosós, from Proto-Indo-European bʰos- — to sally forth, barge, hurtle out; bare, barefoot.

Ancestry of “threadbarity”, step by step

threadbarity traces back through two separate lines of ancestry.

via English threadbare

StepLanguageWordMeaning
1Englishthreadbareshabby, frayed and worn to an extent that warp...
2EnglishbareMinimal; that is or are just sufficient; Naked,...
3Middle EnglishbareAlternative form of bor
4Old Englishbærbare, naked, unconcealed
5Proto-West Germanicbaʀbare, naked
6Proto-Germanicbazazbare, naked
7Proto-Indo-Europeanbʰosósbare, barefoot
8Proto-Indo-Europeanbʰos-to sally forth, barge, hurtle out; bare, barefoot

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European bʰos-