θητέρᾳ

From LSJ

ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)

Source

French (Bailly abrégé)

crase att. p. τῇ ἑτέρᾳ, v. ἕτερος.

Russian (Dvoretsky)

θητέρᾳ: и θατέρᾳ in crasi Soph., Eur. = τῇ ἑτέρᾳ.