Slow - used in the Hebrew 15 times and all but 1 refer to God's character of Patience

long (1), patience (2), slow (10), who is slow (2).

To Anger - The nose, nostril, the face, a person, ire

could be translated "into his nostrils, or his face"

James 1:19-20

Know this, my beloved brothers: let every person be quick to hear, slow to speak, slow to anger; for the anger of man does not produce the righteousness of God.