μητέρα πολλῶν ἐτῶν κληροῦχον → mother having old age for her lot, mother heiress of many years
of bread: use bread.
a thin crust of ice had formed in it (the trench): P. κρύσταλλος ἐπεπήγει οὐ βέβαιος ἐν αὐτῇ (Thuc. 3, 23).