προσκαλέομαι to call toward oneself, i.e. summon, inviteDerivation: middle voice from G4314 and G2564;KJV Usage: call (for, to, unto). G4314 G2564
Thayer:1) to call to 2) to call to one's self 3) to bid to come to one's self 4) metaph. 4a) God is said to call to himself the Gentiles, aliens as they are from him, by inviting them, through the preaching of the gospel unto fellowship with himself in the Messiah's kingdom 4b) Christ and the Holy Sprit are said to call to themselves those preachers of the gospel to whom they have decided to intrust a service having reference to the extension of the gospel
προσκαλέομαι proskaleomai pros-kal-eh'-om-ahee Middle voice from G4314 and G2564; to call toward oneself, that is, summon, inviteKJV Usage: call (for, to, unto).