英语词源字典 - 在线词源网站

shy (v.1)[shy 词源字典]: "to throw (a missile) with a jerk or toss," 1787, colloquial, of unknown origin and uncertain connection to shy (adj.). Related: Shied; shying.[shy etymology, shy origin, 英语词源]
shy (v.2): "to recoil," 1640s, from shy (adj.). Related: Shied; shying.
soccer (n.): 1889, socca, later socker (1891), soccer (1895), originally university slang (with jocular formation -er (3)), from a shortened form of Assoc., abbreviation of association in Football Association (as opposed to Rugby football); compare rugger. An unusual method of formation, but those who did it perhaps shied away from making a name out of the first three letters of Assoc.