ball

{{11}}ball (n.¹) "round object," O.E. *beal, from or corresponding to O.N. bollr "ball," from P.Gmc. *balluz (Cf. O.H.G. ballo, Ger. Ball), from PIE root *bhel- (2) "to blow, inflate, swell" (see BOLE (Cf. bole)). Meaning "testicle" is from early 14c. Ball of the foot is from mid-14c. A ball as an object in a sports game is recorded from c.1200; To have the ball "hold the advantage" is from c.1400. To be on the ball is 1912, from sports. Ball-point pen first recorded 1946. Ball of fire when first recorded in 1821 referred to "a glass of brandy;" as "spectacularly successful striver" it is c.1900.

{{12}}ball (n.²) "dancing party," 1630s, from French, from O.Fr. baller "to dance," from L.L. ballare "to dance," from Gk. ballizein "to dance, jump about" (see BALLISTICS (Cf. ballistics)). Hence, "very enjoyable time," 1945, American English slang, perhaps back to 1930s in black slang.

{{12}}ball (v.) 1650s, "make into a ball," from BALL (Cf. ball) (n.¹). Sense of "to become like a ball" is 1713; that of "to copulate" is first recorded 1940s in jazz slang, either from the noun sense of "testicle" or "enjoyable time" (from BALL (Cf. ball) (n.²)). Related: Balled; balling.