Where does “Cascadia” come from?

Cascadia (English) comes from English cascade, from French cascade, from Italian cascata, from Italian cascare, from Vulgar Latin casicare, from Latin cadēre, from Latin cadō, from Proto-Italic kadō — to fall.

Ancestry of “Cascadia”, step by step

StepLanguageWordMeaning
1EnglishcascadeA waterfall or series of small waterfalls; A...
2Frenchcascadecascade; a stunt performed for cinematic...
3Italiancascatacascade, waterfall; fall; cascade
4Italiancascareto fall
5Vulgar Latincasicarepresent active infinitive of *casicō
6Latincadēre—
7Latincadōto fall, to fall out
8Proto-Italickadōfall, sink
9Proto-Indo-Europeanḱad-to fall

Words derived from “Cascadia”

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