One of the mysteries of the English language finally explained.
1In the 17th and 18th cent.: a squadron of the British Navy with responsibility for patrolling the Irish Sea. Now historical.
2In plural, with capital initials. An infantry regiment of the British Army formed in 1900 during the Boer War (1899–1902). Also in singular: a member of this regiment.
Mid 17th century (in an earlier sense). From Irish + guard.
Irish guard/ˌʌɪrɪʃ ˈɡɑːd/
In this article we explore how to impress employers with a spot-on CV.