From Middle English beblowen, from Old English beblāwan (“to blow upon”), equivalent to be- (“on, around, about”) + blow.
beblow (third-person singular simple present beblows, present participle beblowing, simple past beblew, past participle beblown)
- (transitive, intransitive) To blow upon; blow around or about; proclaim or spread about (word, news, fame, etc.)
2010, Greg Hamerton, Second Sight:
- [...] Their lifebreath stays to beblow 'er clouds to the fourfar corners of Oldenworld.”