εἰσοικειόω
From LSJ
ἐν δὲ τοῖς φυσικοῖς ἀεὶ οὕτως, ἂν μή τι ἐμποδίσῃ → in natural products the sequence is invariable, if there is no impediment | now with that which is natural it is always thus if there is no impediment
English (LSJ)
A bring in as a friend, τινὰ γάμοις Plu.Alex.10 :—Pass., become intimate with, X.HG5.2.25.
German (Pape)
[Seite 744] zum Freunde machen; pass., Xen. Hell. 5, 2, 25; γάμοις Plut. Alex. 10.