From a compound of hetoimazo and the base of poreia; (intransitively) to be good for passing through, i.e. (figuratively) have pecuniary means -- ability.
KJV: Then the disciples, every man according to his ability, determined to send relief unto the brethren which dwelt in Judaea:
NASB: And in the proportion that any of the disciples had means, each of them determined to send a contribution for the relief of the brethren living in Judea.