Where does “riblessness” come from?

riblessness (English) comes from English ribless, from English RIB, from Middle English rib, from Old English ribb, from Proto-West Germanic ribb, from Proto-Germanic ribją, from Proto-Indo-European h₁rebʰ- — to cover, to roof; rib.

riblessness (English): Absence of ribs

Definitions

  1. Absence of ribs

Ancestry of “riblessness”, step by step

riblessness traces back through two separate lines of ancestry.

via English ribless

StepLanguageWordMeaning
1EnglishriblessLacking ribs
2EnglishRIBRigid inflatable boat — A lightweight inflatable...
3Middle Englishrib
4Old Englishribbrib
5Proto-West Germanicribb
6Proto-Germanicribjąrib; reef, ridge
7Proto-Indo-Europeanh₁rebʰ-to cover, to roof; rib

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 h₁rebʰ-
riblessness — Etymology, Origin & Word History | Etymology Explorer