burden, burthen (n.)
bass accompaniment [in a song]
MA III.iv.40[Margaret to Beatrice] Clap's into 'Light o'love'; that goes without a burden [also: weight of a man]
TS I.ii.67[Petruchio to Hortensio] wealth is burden of my wooing dance
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL