Where does “decadere” come from?

decadere (Medieval Latin) comes from Latin decido, from Latin cado, from Proto-Italic kadō, from Proto-Indo-European ḱad- — to fall.

Ancestry of “decadere”, step by step

StepLanguageWordMeaning
1LatindecidoI fall down or off; collapse; drop, hang down; I...
2LatincadoI fall, I fall out; I die; I cease
3Proto-Italickadōfall, sink
4Proto-Indo-Europeanḱad-to fall

Words derived from “decadere”

Every word from Proto-Indo-European ḱad- →Every word from Proto-Italic kadō →Every word from Latin cado →