Latin hebdomad-, hebdomas, from Greek, from hebdomos seventh, from hepta seven — more at seven
1545, in the meaning defined at sense 1
“Hebdomad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hebdomad. Accessed 3 Dec. 2023.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!