Where does “incapaciousness” come from?

incapaciousness (English) comes from English incapacious, from English capacious, from Latin capāx, from Latin -āx, from Latin -ium, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

incapaciousness (English): The quality of being incapacious

Definitions

  1. The quality of being incapacious

Ancestry of “incapaciousness”, step by step

incapaciousness traces back through two separate lines of ancestry.

via English incapacious

StepLanguageWordMeaning
1EnglishincapaciousNot capacious; narrow, small, weak, or foolish
2EnglishcapaciousHaving a lot of space inside; roomy
3LatincapāxThat can contain or hold much; wide, large, spacious, capacious, roomy
4Latin-āxish, -y
5Latin-iumSuffix used to form abstract nouns, sometimes...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

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 -yósEvery word from Latin -iumEvery word from Latin -ius