trouling

_ I have had the most happy invention this morning, and a tune trouling in my head; I rise immediately in my night-gown and slippers, down I put the notes slap-dash, made words to them like lightning; and I warrant you have them at the circle in the evening.

The works of John Dryden, $c now first collected in eighteen volumes. $p Volume 06 John Dryden 1665