Where does “nascentness” come from?

nascentness (English) comes from English nascent, from Latin nāscēns, from Latin nāscor, from Proto-Italic gnāskōr, from Proto-Indo-European ǵenh₁- — to produce, to beget, to give birth.

Ancestry of “nascentness”, step by step

nascentness traces back through two separate lines of ancestry.

via English nascent

StepLanguageWordMeaning
1EnglishnascentEmerging; just coming into existence; Describing...
2Latinnāscēnsbeing born, begotten
3Latinnāscorto be born, begotten
4Proto-Italicgnāskōrbe born
5Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth

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 ǵenh₁-
nascentness — Etymology, Origin & Word History | Etymology Explorer