Where does “backbonelessness” come from?

backbonelessness (English) comes from English backboneless, from English backbone, from Middle English bakbon, from Middle English bak, from Middle English abak, from Old English onbæc, from Old English on, from Proto-West Germanic ana — on, onto.

backbonelessness (English): cowardice; spinelessness

Definitions

  1. cowardice; spinelessness

Ancestry of “backbonelessness”, step by step

backbonelessness traces back through two separate lines of ancestry.

via English backboneless

StepLanguageWordMeaning
1EnglishbackbonelessWithout a backbone; invertebrate; Cowardly,...
2EnglishbackboneThe series of vertebrae, separated by disks, that...
3Middle EnglishbakbonThe backbone or a part of it
4Middle EnglishbakThe back, hind, or rear of a being's body; The...
5Middle Englishabakbackward, away
6Old Englishonbæcbackwards, back
7Old Englishonon, in, at, among; from
8Proto-West Germanicanaon
9Proto-Germanic*an
10Proto-Germanicanaon, at; on, onto; ana
11Proto-Indo-Europeanh₂en-on, onto

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 h₂en-