Where does “bilingualness” come from?

bilingualness (English) comes from English bilingual, from Latin bilinguis, from Latin lingua, from Latin -ula, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

bilingualness (English): The state of being bilingual

Definitions

  1. The state of being bilingual

Ancestry of “bilingualness”, step by step

bilingualness traces back through two separate lines of ancestry.

via English bilingual

StepLanguageWordMeaning
1EnglishbilingualHaving the ability to speak two languages; Spoken...
2LatinbilinguisDouble-tongued, two-tongued; speaking two...
3Latinlinguatongue; a speech; an utterance or expression
4Latin-ularegō + API → rēgula; tegō + API → tēgula;...
5Proto-Indo-European-tlomAlternative form of *-trom
6Proto-Indo-European-tromForms nouns denoting a tool or instrument
7Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

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 -tḗr