/a-scenario-for-exchanges-of-comments-on-a-planned-monograph-about-the-ancient-reception-of-sappho/

Your translation "a share of [her] girlhood" makes me think of Catullus 62.70-72 (the marriage poem):

virginitas non tota tua est, ex parte parentum est,
tertia pars patrest, pars est data tertia matri,
tertia sola tua est

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