Proto-Indo-European root meaning "young pig."
It forms all or part of: aardvark; farrow; porcelain; porcine; pork; porcupine; porpoise.
It is the hypothetical source of/evidence for its existence is provided by: Latin porcus "pig, tame swine," Umbrian purka; Old Church Slavonic prase "young pig;" Lithuanian paršas "pig;" Middle Dutch varken, German Ferkel, Old English fearh "pig, small pig."