Gargoyle
Middle English: from Old French gargouille ‘throat’, also ‘gargoyle’ (because of the water passing through the throat and mouth of the figure); related to Greek gargarizein ‘to gargle’ (imitating the sounds made in the throat).
wiktionary
From Old French gargouille. Doublet of gargle. The Académie Française suggests the first attestation as gargoule in 1294.
etymonline
gargoyle (n.)
"grotesque carved waterspout," connected to the gutter of a building to throw down water clear of the wall, common in 13c.-16c. buildings; late 13c., gargoile, also garguile, gargule, etc., "carved mouth of a rain spout, a gargoyle," from Old French gargole, gargoule "throat;" also "carved downspout," in the form of a serpent or some other fanciful shape, also from Medieval Latin gargola, gargulio (see gargle (v.)). "An archaic spelling, retained in books; better gargoil or, in more modern form gargel" [Century Dictionary].
