- sewer
- "conduit," 1402, from Anglo-Fr. sewere, O.N.Fr. sewiere "sluice from a pond" (13c.), lit. "something that makes water flow," from aphetic form of Gallo-Romance *exaquaria (cf. M.Fr. esseveur), from L. ex- "out" + aquaria, fem. of aquarius "pertaining to water," from aqua "water."