1672, from L.
Gallicus "pertaining to Gaul or the Gauls," from L.
Gallia "Gaul" and
Gallus "a Gaul" from a native Celtic name (see
Gaelic), though some connect the word with prehistoric W.Gmc.
*walkhoz "foreigners" (see
Welsh). Originally used in Eng. rhetorically or mockingly for "French."
Gallicism "French word or idiom" is from 1656.