In AV 'ability' is either material (Le 27:8; Ezr 2:69; Ac 11:29) or personal (Da 1:4; Mt 25:15) capacity. The mod. meaning ('mental power') is not found in AV.
to another two, and to another one; to each according to his ability: and then he took his journey.
And each of the disciples, according to his ability, determined to send relief to the brethren who dwelt in Judea.