Where does “infamousness” come from?

infamousness (English) comes from English infamous, from Medieval Latin infamosus, from Latin īnfāmis, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

infamousness (English): The state or quality of being infamous; infamy

Definitions

  1. The state or quality of being infamous; infamy

Ancestry of “infamousness”, step by step

infamousness traces back through two separate lines of ancestry.

via English infamous

StepLanguageWordMeaning
1EnglishinfamousHaving a bad reputation, disreputable;...
2Medieval Latininfamosus
3Latinīnfāmisdisreputable, notorious, infamous
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-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