From be- (“all about, fully, completely”) + welcome.
bewelcome (third-person singular simple present bewelcomes, present participle bewelcoming, simple past and past participle bewelcomed)
- (transitive, intensive) To welcome; greet or bestow with a welcome; welcome fully or completely.
1936, Grace Humphrey, Hungary: land of contrasts:
Then the presidient of the Writers' club, with more roses and one of his books and more speechifying. Never before was I so bewelcomed.