συμμανθάνω,
A. learn along with, share in the knowledge,τινι
X. Smp. 2.20 ;ὁ συμμαθών one that is accustomed toa thing, Id. An. 4.5.27 ;οὐδεὶς ἐπίσταταί με συμμαθεῖν τόποςno place knows that Ihave shared its secret, S. Aj. 869 (lyr., s.v.l.;διδάξαιSch.).