Etymology

caddis

C3A1D2D2I1S1

Today it means: The larva of a caddis fly. They generally live in cylindrical cases, open at each end, and covered externally with debris. Full definition →

Middle French cadis ← Old French cadaz ← Old Catalan cadirs
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caddis · noun1

Unknown. See dialect forms caddew, caddy, cad-bait.

caddis · noun2

  1. Old Catalan · derived fromcadirs
  2. Old French · derived fromcadaz
  3. Middle French · derived fromcadis
  4. English todaycaddis

From Middle French cadis, from Old French cadaz, from Old Occitan, from Old Catalan cadirs, cadins.

Etymology from Wiktionary, CC BY-SA 4.0.