'Understand' in the Bible

Look, I [am] about to bring on you a nation from afar, house of Israel," {declares} Yahweh. "It [is] an enduring nation, it [is] {an ancient nation}. A nation whose language you do not know, and you cannot understand what they speak.

Who [is] the wise man that can understand this? And to whom has the mouth of Yahweh spoken, so that he may declare it? Why is the land destroyed? It is laid waste like the desert so that no one passes through."

The heart [is] deceitful more than anything else, and it [is] disastrous. Who can understand it?

{The burning anger of Yahweh} will not turn back until his doing, and until his accomplishing the plans of his {mind}. In the last of the days you will understand it.

For after my turning back I repented, and after coming to understand I struck [my] thigh. I was ashamed and also humiliated, because I bore the disgrace of my youth.'

Concerning Edom, thus says Yahweh of hosts: "Is there no longer wisdom in Teman? Has counsel become lost from [those who] understand? Is their wisdom rotting?