evam saptah sva-guruna
satyan na calito mahan
vamanaya dadav enam
evam—in this way; saptah—being cursed; sva-guruna—by his own spiritual master; satyat—from truthfulness; na—not; calitah—who moved; mahan—the great personality; vamanaya—unto Lord Vamanadeva; dadau—gave in charity; enam—all the land; arcitva—after worshiping; udaka-purvakam—preceded by offering of water.
Sukadeva Gosvami continued: Even after being cursed in this way by his own spiritual master, Bali Maharaja, being a great personality, never deviated from his determination. Therefore, according to custom, he first offered water to Vamanadeva and then offered Him the gift of land he had promised.
Link to this page: https://prabhupadabooks.com/sb/8/20/16