יָדַע
yada
yah-DAH
to know, by experience
Where it comes from
Yada is not knowing about. It is the word for knowing a person, knowing a trade, knowing by having been through it. God does not promise Israel information. He promises that they will come out the other side of something and know him because of it.
Every place it appears
Strong's H3045. It stands in 874 verses of the Hebrew Old Testament. See them →
Exodus 6:7
And I will take you to me for a people, and I will be to you a God: and ye shall know that I am the LORD your God, which bringeth you out from under the burdens of the Egyptians.
This is day 104 of XA Daily, a free study app with a Hebrew word each morning, readings for morning and night, and the whole King James Bible. No account, nothing tracked.