galp

From Middle English galpen, from Old English *galpian, *ġealpian (“to gape, yawn, gulp”), suggested by derivative Old English ġealpettan (“to gulp down, eat greedily, devour”), from Proto-West Germanic *galpōn, from Proto-Germanic *galpōną (“to gape, yawn, sound out, yap”), from Proto-Indo-European *gʰel- (“to call, cry out, shout, scream”). Cognate with North Frisian galpe (“to shout”), Saterland Frisian galpje (“to call, cry out, resound”), Low German galpen (“to bellow, roar, howl, bark”), Dutch galpen (“to yell, shout, howl”), dialectal Swedish galpa (“to screech, scream”), French japper (“to yelp, bark”). More at yelp.

来源：wiktionary