From Middle English beyelpen, from Old English beġylpan, *beġielpan (“to boast, exult”), equivalent to be- + yelp.
beyelp (third-person singular simple present beyelps, present participle beyelping, simple past beyelped or beyolp, past participle beyelped or beyolpen)
- (transitive, obsolete) To speak or talk loudly of; boast of; glory in.
- (transitive, obsolete) To yelp about; yelp over.
1829, John Dunlop (of Greenock.), Oliver Cromwell:
- Aye, e'en the curs and mastiffs of the flock Grin and beyelp the stinting combatant.