Where does “decaylessness” come from?

decaylessness (English) comes from English decayless, from English decay, from Middle English decayen, from Anglo-Norman decaeir, from Medieval Latin decadere, from Latin decido, from Latin cado, from Proto-Italic kadō — to fall.

decaylessness (English): Absence of decay

Definitions

  1. Absence of decay

Ancestry of “decaylessness”, step by step

decaylessness traces back through two separate lines of ancestry.

via English decayless

StepLanguageWordMeaning
1Englishdecaylessundecaying, imperishable
2EnglishdecayThe process or result of being gradually...
3Middle Englishdecayen
4Anglo-Normandecaeirto fall away, decay, decline
5Medieval Latindecadere
6LatindecidoI fall down or off; collapse; drop, hang down; I...
7LatincadoI fall, I fall out; I die; I cease
8Proto-Italickadōfall, sink
9Proto-Indo-Europeanḱad-to fall

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 ḱad-