G4400–προχειρίζω–procheirizō

and He may send Jesus Christ who before hath been preached to you,

προκεχειρισμένον prokecheirismenon “appointed”

and he said, The God of our fathers did choose thee beforehand to know His will, and to see the Righteous One, and to hear a voice out of his mouth,

προεχειρίσατό proecheirisato “has appointed”

but rise, and stand upon thy feet, for for this I appeared to thee, to appoint thee an officer and a witness both of the things thou didst see, and of the things `in which' I will appear to thee,

προχειρίσασθαί procheirisasthai “to appoint”