English
estrogen
From estro- (estrus) + -gen (“a producer of”).
Formed from estro- + -gen ‘a producer of’
Proto-Indo-European *h₁eysh₂- ‘to strengthen’
Ancient Greek οἶστρος ‘gadfly, breese’
Latin oestrus ‘gadfly’
English estro-
Today it means
noun Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.
Language periods are conventional ranges, not dates for this word.
Etymograph / estrogen