Where does “pseudonymousness” come from?

pseudonymousness (English) comes from English pseudonymous, from French pseudonyme, from Ancient Greek ψευδώνυμος, from Ancient Greek ψευδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

pseudonymousness (English): The quality of being pseudonymous

Definitions

  1. The quality of being pseudonymous

Ancestry of “pseudonymousness”, step by step

pseudonymousness traces back through two separate lines of ancestry.

via English pseudonymous

StepLanguageWordMeaning
1EnglishpseudonymousOf or pertaining to a pseudonym; Fictitious; That...
2Frenchpseudonymepseudonymous, done under a pseudonym; pseudonym
3Ancient Greekψευδώνυμοςunder a false name, falsely called
4Ancient Greekψευδήςlying, false, untrue; deceived, beguiled
5Ancient Greek-ήςadjective suffix
6Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
7Proto-Indo-European-ess
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

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 -os