Bede

But the waters went back and decreased until the tenth month. The time of the tenth month can signify that period during which the saints enter the joys of eternal light with the Lord. For He also in the Gospel by the name of the denarius, which was to be given to the laborers of the vineyard, intimates the perception of the same heavenly kingdom. For a denarius contains ten obols. …

Commentary on Genesis (Hexaemeron) ↗