Where does “invalidness” come from?

invalidness (English) comes from English invalid, from English in-, from Middle English in-, from Old English in-, from Old English in, from Proto-West Germanic *in, from Proto-Germanic in, from Proto-Indo-European én — in.

invalidness (English): invalidity

Definitions

  1. invalidity

Ancestry of “invalidness”, step by step

invalidness traces back through two separate lines of ancestry.

via English invalid

StepLanguageWordMeaning
1EnglishinvalidNot valid; not true, correct, acceptable or...
2Englishin-in, into, towards, within; in, into; Used with...
3Middle Englishin-
4Old Englishin-in, into; on, upon; internal, positioned on the...
5Old Englishinin; Alternative form of inn
6Proto-West Germanic*in
7Proto-Germanicinin; into
8Proto-Indo-Europeanénin

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 én