G3423–μνηστεύω–mnēsteuō

Now the birth of Jesus Christ was on this wise: When his mother Mary had been betrothed to Joseph, before they came together she was found with child of the Holy Spirit.

μνηστευθείσης mnēsteutheisēs “At the pledging”

to a virgin betrothed to a man whose name was Joseph, of the house of David; and the virgin's name was Mary.

ἐμνηστευμένην emnēsteumenēn “betrothed”

to enrol himself with Mary, who was betrothed to him, being great with child.

ἐμνηστευμένῃ emnēsteumenē “betrothed”