Where does “patulousness” come from?

patulousness (English) comes from English patulous, from Latin patulus, from Latin -ulus, from Proto-Italic -olos, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

patulousness (English): The quality of being patulous

Definitions

  1. The quality of being patulous

Ancestry of “patulousness”, step by step

patulousness traces back through two separate lines of ancestry.

via English patulous

StepLanguageWordMeaning
1Englishpatulousopen; spread; exposed
2Latinpatulusopen, wide open, gaping; spread out, extended;...
3Latin-ulusUsed to form a diminutive of a noun, indicating...
4Proto-Italic-olos
5Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
6Proto-Indo-European-e-lós
7Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lósEvery word from Latin -ulusEvery word from Latin patulus