OT.filter - rsv undertook:

rsv@Deuteronomy:1:5 @ Beyond the Jordan, in the land of Moab, Moses undertook to explain this law, saying,

rsv@2Chronicles:31:21 @ And every work that he undertook in the service of the house of God and in accordance with the law and the commandments, seeking his God, he did with all his heart, and prospered.

rsv@Esther:9:23 @ So the Jews undertook to do as they had begun, and as Mor'decai had written to them.