Greater (meizoteran). A double comparative with ̇teros added to meizōn, like our “lesser” and like mallon kreisson (more better) in Phi 1:23. In Eph 3:8 we have elachistoterōi, a comparative on a superlative. Like forms occur in the vernacular papyri and even in Homer (cheiroteros, more worse) as also in Shakespeare.
Joy (charan). B reads charin (grace).
Than this (toutōn). Ablative neuter plural after the comparative.
To hear of (hina akouō). Object clause (epexegetic) with hina and akouō, the present active subjunctive (keep on hearing of) in apposition with toutōn,
Walking in truth (en alētheiāi peripatounta). As in 2Jo 1:4, which see. By the use of tekna John may mean that Gaius is one of his converts (1Ti 1:1).