'Undertook' in the Bible

Across the Jordan in the land of Moab, Moses undertook to expound this law, saying,

And do what is upright and good in the eyes of the Lord your God, so that it may be well for you and you may go in and take for your heritage that good land from which the Lord undertook by an oath to your fathers,

And he will give you his love, blessing you and increasing you: he will send his blessing on the offspring of your body and the fruit of your land, your grain and your wine and your oil, the increase of your cattle and the young of your flock, in the land which by his oath to your fathers he undertook to give you.

Take care to keep all the orders which I give you today, so that you may have life and be increased and go in and take as a heritage the land which the Lord, by his oath to your fathers, undertook to give you.

And if the Lord your God makes wide the limits of your land, as he said in his oath to your fathers, and gives you all the land which he undertook to give to your fathers;