hebdomad

noun
heb·​do·​mad | \ˈheb-də-ˌmad \

Definition of hebdomad 

1 : a group of seven

2 : a period of seven days : week

First Known Use of hebdomad

1545, in the meaning defined at sense 1

History and Etymology for hebdomad

Latin hebdomad-, hebdomas, from Greek, from hebdomos seventh, from hepta seven — more at seven

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Dictionary Entries near hebdomad

Heb

he-balsam

Hebbel

hebdomad

hebdomadal

hebdomadary

hebdomader

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Time Traveler for hebdomad

The first known use of hebdomad was in 1545

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