quip (n.) Look up quip at Dictionary.com
1530s, variant of quippy in same sense (1510s), perhaps from Latin quippe "indeed, of course, as you see, naturally, obviously" (used sarcastically), from quid "what" (neuter of pronoun quis "who;" see who), and compare quibble (n.)) + emphatic particle -pe.
quip (v.) Look up quip at Dictionary.com
"make a quip," 1570s, from quip (n.). Related: Quipped; quipping.