bourdonner (ww):
zoemen(fr) —.
(fr) —.
(en) to make a low, continuous, humming or sibilant sound.
(en) to drone like certain insects naturally do in motion., gonzen(fr) —.
(fr) —.
(fr) —., brommen(en) to drone like certain insects naturally do in motion.
cached Via: Dbnary en WikiWoordenboeken
Via: Memodata.com