From Latin 'gutta' (a drop) — literally 'where drops go,' kin to 'gout' (caused by drops of bad humor, per ancient medicine).
A shallow trough fixed beneath the edge of a roof for carrying off rainwater; a channel at the side of a street for carrying off rainwater.
From Anglo-Norman "gutere," from Old French "goutiere" (a gutter, a water channel, a spout), from "goute" (a drop), from Latin "gutta" (a drop of liquid). The deeper etymology of Latin "gutta" is uncertain — it may derive from Proto-Indo-European *ǵʰewd- (to pour) or belong to a Mediterranean substrate vocabulary predating Indo-European settlement. The PIE root *ǵʰewd- (to pour), if accepted, also produced Greek "chein" (to pour), Old English "gēotan" (to pour — whence modern English "gut" as a channel), Old Norse "gjóta" (to spawn, to pour forth), Gothic "giutan" (to pour), Old High German "giozan" (to pour — modern German "gießen"), Latin "fundere" (to pour — from a related root *ǵʰew-), and Sanskrit "juhoti" (he
'Gutter,' 'gout,' and 'guttural' all come from Latin 'gutta' (a drop). A gutter catches drops. 'Gout' was believed to be caused by drops of bad humor falling into the joints. And 'guttural' — a sound produced in the throat — was originally associated with the 'dripping' quality of deep-throated sounds