ψυχῶν σοφῶν φροντιστήριον → thought-shop of wise souls
ex-hinc: adv.,
I hereupon, after this, then (post-class. and very rare, for exinde, exin), App. M. 11, p. 269, 19.
exhinc, depuis ce temps : Apul. M. 11, 24.
ex-hinc, hierauf, Apul. met. 11, 24.