Why Is Menstruation Called A Period?

Why Is Menstruation Called A Period? “Period” is rooted in the Greek words “peri” and “hodos” (periodos) meaning “around” and “way/path.” This eventually turned into the Latin “periodus” meaning “recurring cycle.” Use of the English term “period” to describe menstruation began in the early 1800s (1). These euphemisms are found in texts spanning millennia. When