Where does “instinctiveness” come from?

instinctiveness (English) comes from English instinctive, from English instinct, from Latin īnstinctus, from Latin instinguo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

instinctiveness (English): The quality of being instinctive

Definitions

  1. The quality of being instinctive

Ancestry of “instinctiveness”, step by step

instinctiveness traces back through two separate lines of ancestry.

via English instinctive

StepLanguageWordMeaning
1EnglishinstinctiveRelated to or prompted by instinct; Driven by...
2EnglishinstinctA natural or inherent impulse or behaviour; An...
3Latinīnstinctusinstigation
4Latininstinguoto incite, to instigate
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

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 h₁én