Where does “equinumerousness” come from?

equinumerousness (English) comes from English equinumerous, from English numerous, from Latin numerositas, from Latin -tās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

equinumerousness (English): Equinumerosity

Definitions

  1. Equinumerosity

Ancestry of “equinumerousness”, step by step

equinumerousness traces back through two separate lines of ancestry.

via English equinumerous

StepLanguageWordMeaning
1EnglishequinumerousHaving equal cardinality
2EnglishnumerousIndefinitely large numerically, many
3Latinnumerositasgreat number, multitude; rhythm, harmony
4Latin-tāsty, -dom, -hood, -ness, -ship
5Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
6Proto-Indo-European-teh₂Used to form nouns representing state of being
7Proto-Indo-European-tósCreates verbal adjectives from 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 -tósEvery word from Latin -tāsEvery word from Proto-Indo-European -teh₂
equinumerousness — Etymology, Origin & Word History | Etymology Explorer