Etymology
From Middle English humbul-be, humbulbe, hombul-be, from *humbul (“bumblebee”) + be (“bee”).
See also West Frisian hommel (“bumblebee”), Dutch hommel (“bumblebee”), German Low German Hummel (“bumblebee”), German Hummel (“bumblebee”), Swedish humla (“bumblebee”), Norwegian humle (“bumblebee”); also cognate with Dutch hommelbij (“bumblebee”), Danish humlebi (“bumblebee”). Compare also English humble (“to hum”).