Wiktionary
belave
Etymology 1 vb. (context transitive English) To lave or wash about; wash all over; wash. Etymology 2
vb. 1 (context archaic intransitive English) to remain, continue; to belay 2 (context archaic intransitive English) to be alive
Usage examples of "belave".
So doan ay bend twixt m'knays and'ad a luke in t'dim o't'loo, and codn't belave me'yize.
But whin it comes to foightin', now, it's mesilf belaves Oi have yez bate, Fritz, me bye.