whelp (n.) Look up whelp at Dictionary.com
Old English hwelp "whelp, young of the dog," from a Germanic root related to Old Saxon hwelp, Old Norse hvelpr, Dutch welp, German hwelf; of unknown origin. Now largely displaced by puppy. Also applied to wild animals. Sense of "scamp" first recorded early 14c.
whelp (v.) Look up whelp at Dictionary.com
c.1200, from whelp (n.). Related: Whelped; whelping.