Blighty
/ˈblaɪtɪ/noun
1- Brit. an informal and often affectionate term for Britain or England, chiefly as used by soldiers of the First and Second World Wars〈英〉英国老家（多作两次世界大战时士兵对不列颠或英格兰的非正式昵称）。
1.1
- military slang a wound suffered by a soldier in the First World War which was sufficiently serious to merit being shipped home to Britain〈军俚〉（第一次世界大战期间）可以被送回英国医治的伤：
he had copped a Blighty and was on his way home.
他负了伤, 正被送回英国治疗。
词源
first used by soldiers in the Indian army; Anglo-Indian alteration of Urdu bilāyatī, wilāyatī 'foreign, European', from Arabic wilāyat, wilāya 'dominion, district'.