Origin: ME & OFr Septembre < L September < septem, seven (+ -ber < ?): so named as the seventh month of the ancient Roman year, which began with March
See September in American Heritage Dictionary 4
noun Abbr. Sept.
Origin: Middle English Septembre
Origin: , from Old French
Origin: , from Latin September, the seventh month
Origin: , from septem, seven; see septm̥ in Indo-European roots.
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