"of or pertaining to childbirth; about to give birth," 1768, with -al (1) + Latin puerperus "bringing forth children; bearing a child" (as a noun, "woman in labor"), from puer "child, boy" (see puerility) + parire "to bring forth, bear, produce, create; bring about, accomplish," from PIE root *pere- (1) "to produce, bring forth"). Earlier puerperial (1620s); puarpure (c. 1500). Related: Puerperally.
"to go the rounds in a camp or garrison, march about as a guard," 1690s, from patrol (n.) and in part from French patrouiller. Related: Patrolled; patrolling.
"resembling or relating to a sparrow; of about the size of a sparrow," 1776, from Latin passerinus "of a sparrow," from passer "sparrow," which is of uncertain origin. The noun, "a passerine bird," is 1842, from the adjective.
"a wanton girl or woman," 1570s, slang, now obsolete, of obscure origin. Also as a verb, "to play the wanton, romp about." Related: Rigged; rigging.