gargle (v.) Look up gargle at Dictionary.com
1520s, from Middle French gargouiller "to gurgle, bubble" (14c.), from Old French gargole "throat, waterspout," which is perhaps from garg-, imitative of throat sounds, + *goule, dialect word for "mouth," from Latin gula "throat." Related: Gargled; gargling. The earlier, native, form of the word was Middle English gargarize (early 15c.), from Latin gargarizare, from Greek gargarizein.
gargle (n.) Look up gargle at Dictionary.com
1650s, "liquid used in gargling," from gargle (v.).