Where does “synonymousness” come from?

synonymousness (English) comes from English synonymous, from Latin synonymus, from Ancient Greek συνώνυμος, from Ancient Greek σῠν-, from Ancient Greek σύν, from Proto-Hellenic *ksún — beside, with.

synonymousness (English): The quality of being synonymous

Definitions

  1. The quality of being synonymous

Ancestry of “synonymousness”, step by step

synonymousness traces back through two separate lines of ancestry.

via English synonymous

StepLanguageWordMeaning
1Englishsynonymoushaving an identical meaning; having a similar...
2Latinsynonymus
3Ancient GreekσυνώνυμοςHaving the same name; Having only one meaning:...
4Ancient Greekσῠν-together; with, together
5Ancient Greekσύνbeside, with
6Proto-Hellenic*ksúnbeside, with

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-Hellenic *ksúnEvery word from Ancient Greek σῠν-Every word from Ancient Greek σύν