Cur

·noun A mongrel or inferior dog.

II. Cur ·noun A worthless, snarling fellow;

— used in contempt.

cur
cūr (old orthog. quor; cf. Vel. Long. p. 2236 P.; and in MSS. sometimes cor, v. Lachm. ad Lucr. II...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
cur
cūr or (older) quōr, adv.I quoi + rei. I I. Interrog., why? wherefore? for what reason? quor amat...

An Elementary Latin Dictionary