Where does “crossveinlessness” come from?

crossveinlessness (English) comes from English crossveinless, from English crossvein, from English cross-, from Irish cros-, from Irish cros, from Old Irish cros, from Latin crux, from Proto-Italic *kruks — to caw, crow.

crossveinlessness (English): Absence of crossveins

Definitions

  1. Absence of crossveins

Ancestry of “crossveinlessness”, step by step

crossveinlessness traces back through two separate lines of ancestry.

via English crossveinless

StepLanguageWordMeaning
1EnglishcrossveinlessThat lacks crossveins
2EnglishcrossveinA vein of ore that intersects another; A vein in...
3Englishcross-exchange; switch; across; Indicating...
4Irishcros-cross-
5Irishcroscross; crosspiece; trial, affliction
6Old Irishcroscross
7Latincruxwooden frame on which criminals were crucified,...
8Proto-Italic*kruks
9Proto-Indo-Europeansḱer-to caw, crow

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 sḱer-Every word from Proto-Italic *kruksEvery word from Latin crux