galloglass
/ˈgæləʊglɑːs/(亦作gallowglass)
noun
- historical (in Ireland) a mercenary or member of a special class of soldiers in the service of a chieftain〈史〉（爱尔兰）酋长下属的雇佣兵; 酋长下属的士兵。
词源
late 15th cent.: from Irish gallóglach, from gall 'foreigner'and óglach 'youth， servant， warrior'.