noun heb·do·mad \ˈheb-də-ˌmad\

Definition of HEBDOMAD

:  a group of seven
:  a period of seven days :  week

Origin of HEBDOMAD

Latin hebdomad-, hebdomas, from Greek, from hebdomos seventh, from hepta seven — more at seven
First Known Use: 1545


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April 28, 2015
portmanteau Hear it
a word formed by the blending of words
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