"to cover or fit with a glove," c. 1400, from glove (n.). Related: Gloved; gloving. Old English had adjective glofed. Glover as a surname is from mid-13c.[glove etymology, glove origin, 英语词源]
"A game, played especially in the UK, in which a ball is hit with a gloved hand or a bat against the walls of a court with three walls ( Eton fives) or four walls ( Rugby fives)", Mid 17th century: plural of five used as a singular noun; the significance is unknown.