Where does “thoroughbredness” come from?

thoroughbredness (English) comes from English thoroughbred, from English bred, from Middle English bred, from Old English bred, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz — adjectival suffix.

thoroughbredness (English): The quality of being thoroughbred

Definitions

  1. The quality of being thoroughbred

Ancestry of “thoroughbredness”, step by step

thoroughbredness traces back through two separate lines of ancestry.

via English thoroughbred

StepLanguageWordMeaning
1EnglishthoroughbredBred from pure stock; well-bred and properly...
2Englishbredsimple past tense and past participle of breed
3Middle Englishbredbread, pastry; food, nourishment
4Old Englishbredsurface; plank, board; table, tablet
5Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
6Old Norse-innUsed to create adjectives from nouns, meaning...
7Proto-Norse-īna-
8Proto-Germanic-īnaz-en
9Proto-Indo-European-iHnosCreates adjectives of materials
10Proto-Indo-European-no-adjectival suffix

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 -no-