-- most likely dative, the complement of the pre-verb ad
- in adimit
("he took away from Rhea Silvia the hope of issue by [condemning her to] perpetual virginity . . . ").
Allen & Greenough sec. 370: http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.04.0001%3Asmythp%3D370
(The first listed pre-verb, ao
, is a typo for ad-
It might also be analyzed as genitive, depending on virginitate
("by the perpetual virginity of Rhea Silvia, he removed the hope of issue"), but dative seems more natural, though perhaps counterintuitive to English speakers who translate this verb as "take away from".
"What's 'eam' doing? This is feminine accusative. It's simply a pronoun object of 'legisset' meaning 'her' right?"