"boy used in pederasty," 1590s, from Latin Catamitus, corruption of Ganymedes, the name of the beloved cup-bearer of Jupiter (see Ganymede). Cicero used it as a contemptuous insult against Antonius.
catalysis
catalyst
catalytic
catalyze
catamaran
catamite
catamount
cataphract
cataplexy
catapult
cataract