אֶרֶךְ
erek
EH-rekh
long, slow — as in slow to anger
Where it comes from
The Hebrew is erek appayim, long of nostrils. It is a physical picture: anger shows in the face first, and God is described as having a long way to go before it gets there. Longsuffering in the King James is a good translation of a very concrete image.
Every place it appears
Strong's H751. It stands in 1 verse of the Hebrew Old Testament. See them →
Exodus 34:6
And the LORD passed by before him, and proclaimed, The LORD, The LORD God, merciful and gracious, longsuffering, and abundant in goodness and truth,
This is day 124 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.