"a herd, especially of cattle," Old English draf "beasts driven in a body; road along which cattle are driven," originally "act of driving," from drifan "to drive" (see drive (v.)).
drove (v.)
Old English draf, past tense and obsolete and dialectal past participle of drive (v.).
dropsical
dropsy
drosophila
dross
drought
drove
drover
droves
drown
drowse
drowsy