ο relative pronoun - accusative singular neuter
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
εποιησαν verb - aorist active indicative - third person
poieo  poy-eh'-o: to make or do (in a very wide application, more or less direct)
αποστειλαντες verb - aorist active passive - nominative plural masculine
apostello  ap-os-tel'-lo: set apart, i.e. (by implication) to send out (properly, on a mission) literally or figuratively -- put in, send (away, forth, out), set (at liberty).
προς preposition
pros  pros: a preposition of direction; forward to, i.e. toward
τους definite article - accusative plural masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
πρεσβυτερους adjective - accusative plural masculine
presbuteros  pres-boo'-ter-os: older; as noun, a senior; specially, an Israelite Sanhedrist (also figuratively, member of the celestial council) or Christian presbyter -- elder(-est), old.
δια preposition
dia  dee-ah': through (in very wide applications, local, causal, or occasional)
χειρος noun - genitive singular feminine
cheir  khire:  the hand (literally or figuratively (power); especially (by Hebraism) a means or instrument) -- hand.
βαρναβα noun - genitive singular masculine
Barnabas  bar-nab'-as: son of Nabas (i.e. prophecy); Barnabas, an Israelite -- Barnabas.
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
σαυλου noun - genitive singular masculine
Saulos  sow'-los: Saulus (i.e. Shaul), the Jewish name of Paul -- Saul.