προσαιρεῖσθαι

From LSJ

γυναῖκα τίκτουσαν ἢ τιτρωσκομένην → woman in childbirth or miscarriage

Source

Greek > English (Woodhouse Verbs Reversed)

(see also προσαιρέομαι): associate with oneself, choose in addition, take as associate

Lexicon Thucydideum

adsumere, to take to oneself, adopt, 4.29.1,
adiungere (in imperio), to associate with (in rule), 5.63.4, 7.16.1.