Where does “tiredness” come from?

Tiredness comes from Middle English -nesse, Old English -nes, and Proto-Germanic -inassuz and -inōną, ultimately deriving from a Germanic root meaning to wear out or exhaust.

tiredness (English): The state of being tired

Definitions

  1. The state of being tired

Ancestry of “tiredness”, step by step

tiredness 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 tired

StepLanguageWordMeaning
1Englishtiredsimple past tense and past participle of tire; In...
Every word from Proto-Indo-European néh₂sEvery word from Proto-Germanic nasjąEvery word from Old English næs