Balm

…Balm eventually begat the adjective balmy, used to describe things with a balm's comforting, calming qualities, as when Shakespeare's Othello speaks of balmy slumbers.…

…In Anglo-French, balsamum became balm and boom, spellings which entered Middle English and later became balm, B-A-L-M.…

…The original balm, what Latin speakers referred to as balsamum, was the oleoresin of a species of balsam tree.…