Etymology
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amenorrhea (n.)

"suppression of menstruation, especially from a cause other than age or pregnancy," 1804, Modern Latin, from Greek privative prefix a- "not" (see a- (3)) + men "month" (see moon (n.)) + rhein "to flow" (from PIE root *sreu- "to flow"). Related: amenorrheal.

updated on September 19, 2022

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Definitions of amenorrhea from WordNet

amenorrhea (n.)
absence or suppression of normal menstrual flow;
Synonyms: amenorrhoea / amenia
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.