Γέσσιος
From LSJ
ψυχῆς πείρατα ἰὼν οὐκ ἂν ἐξεύροιο πᾶσαν ἐπιπορευόμενος ὁδόν· οὕτω βαθὺν λόγον ἔχει → one would never discover the limits of soul, should one traverse every road—so deep a measure does it possess
Spanish (DGE)
-ου, ὁ Gesio Γ. Φλῶρος clazomenio, procurador de Judea (64/65 d.C.), I.BI 2.277, AI 18.25, 20.215.