Hath given him power, Heb. hath given him the dominion; who is the lord and master of his estate, not a slave to it. Of this and the former verse, See Poole on "Ecclesiastes 2:24"; See Poole on "Ecclesiastes 3:12", See Poole on "Ecclesiastes 3:13". To take his portion to his own use, to use what God hath given him.
Related Commentaries of Ecclesiastes 5:19
Ecclesiastes 5:19
19 Every man also to whom God hath given riches and wealth, and hath given him power to eat thereof, and to take his portion, and to rejoice in his labour; this is the gift of God.