humble-bee
Concise Oxford English Dictionary © 2008 Oxford University Press:
humble-bee/ˈhʌmb(ə)lbiː/
▶noun another term for bumblebee.
– origin ME: prob. from Mid. Low Ger. hummelbē, from hummel ‘to buzz’ + bē ‘bee’.
'humble-bee' also found in these Oxford entries:

