Where does “yesterdayness” come from?

yesterdayness (English) comes from English Ness, from Middle English nesse, from Old English næs, from Proto-Germanic nasją, from Proto-Indo-European néh₂s — nose.

yesterdayness (English): The property of being, or seeming to be, in the past

Definitions

  1. The property of being, or seeming to be, in the past

Ancestry of “yesterdayness”, step by step

yesterdayness traces back through two separate lines of ancestry.

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

via English yesterday

StepLanguageWordMeaning
1EnglishyesterdayThe day immediately before today; one day ago;...
2Middle EnglishyesterdayOn the preceding day; At another preceding point...
3Old Englishġiestrandæġyesterday
Every word from Proto-Indo-European néh₂sEvery word from Proto-Germanic nasjąEvery word from Old English næs