Commentaries:
Robertson's Word Pictures (NT)
Whomsoever I send (an tina pemyw). More precisely, "If I send any one" (third-class condition, an=ean and tina, indefinite pronoun accusative case, object of pemyw, first aorist active subjunctive of pempw, to send). This use of ei tiv or ean tiv (if any one) is very much like the indefinite relative ostiv and ov an (or ean), but the idiom is different. In Mark 8:34 f. we have both ei tiv qelei and ov ean while in John 14:13 f. we find oti an and ean ti (Robertson, Grammar, p. 956).
Other Robertson's Word Pictures (NT) entries containing John 13:20:
John 12:44
2 John 1:10
3 John 1:6
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