μεσεγγυάω
From LSJ
Ὡς χαρίεν ἔστ' ἄνθρωπος, ἂν ἄνθρωπος ᾖ → Res est homo peramoena, quum vere est homo → Wie voller Anmut ist ein Mensch, der wirklich Mensch
English (LSJ)
Act. only in aor. inf.
A μεσεγγυῆσαι Poll.8.28:—deposit a pledge in the hands of a third party, in Pass., τρία τάλαντα μεσεγγυηθέντα being so deposited, Lys.29.6:—Med., μεσεγγυήσασθαι ἀργύριον have one's money deposited in the hands of a third party, D. 39.3, cf. Antipho 6.50.