Etymology
One of the most ancient Hebrew interrogatives, appearing over 750 times
in the Hebrew Bible. From the root מה,
it asks about the nature, identity, or essence of something. When Moses
stood at the burning bush and asked God's name, God's answer
אֶהְיֶה אֲשֶׁר אֶהְיֶה
— "I AM WHAT I AM" — contains this same impulse.
Strong's H4100 · First use: Genesis 2:19