"pin or spool around which thread or yarn is wound," 1520s, from French bobine, small instrument used in sewing or tapestry-making, of uncertain origin, perhaps from Latin balbus (see babble (v.)) for the stuttering, stammering noise it made.
boat-house
boatswain
Bob
bob
Bobadil
bobbin
bobbinet
bobble
bobby
bobby pin
bobby sox