also gynaeco-, before a vowel gynec-, word-forming element meaning "woman, female," from Latinized form of Greek gynaiko-, combining form of gynē "woman, female," from PIE root *gwen- "woman." Also see æ (1).
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit janis "a woman," gná "wife of a god, a goddess;" Avestan jainish "wife;" Armenian kin "woman;" Greek gynē "a woman, a wife;" Old Church Slavonic zena, Old Prussian genna "woman;" Gaelic bean "woman;" Old English cwen "queen, female ruler of a state, woman, wife;" Gothic qino "a woman, wife, qéns "queen."
<a href="https://www.etymonline.com/word/gyno-">Etymology of gyno- by etymonline</a>
Harper, D. (n.d.). Etymology of gyno-. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/gyno-