nubile
adjective
[ ˈnjuːbʌɪl ]
• (of a young woman) sexually attractive.
• "he employed a procession of nubile young secretaries"
• (of a young woman) sexually mature; old enough for marriage.
Origin:
mid 17th century: from Latin nubilis ‘marriageable’, from nubere ‘cover or veil oneself for a bridegroom’ (from nubes ‘cloud’).