⁵ And the waters decreased [1] continually until the tenth month: in the tenth month, on the first day of the month, were the tops of the mountains seen.

⁵ And still the waters went on falling, till on the first day of the tenth month the tops of the mountains were seen.

⁵ and the waters have been going and becoming lacking till the tenth month; in the tenth 'month', on the first of the month, appeared the heads of the mountains.