מַדּוּעַmaddûwaʻ

Same root

• מָהmâh · H4100properly, interrogative what? (including how? why? when?); but also exclamation, what! (including how!), or indefinitely what (including whatever, and even relatively, that which); often used with prefixes in various adverbial or conjunctive senses
• יָדַעyâdaʻ · H3045to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially (including observation, care, recognition; and causatively, instruction, designation, punishment, etc.)

Where it appears

Appears 72 times in the Bible.

• Genesis 26:27 “Why have you come here?” Isaac asked. “You obviously hate me, since you kicked me off your land.”
• Genesis 40:7 “Why do you look so worried today?” he asked them.
• Exodus 1:18 So the king of Egypt called for the midwives. “Why have you done this?” he demanded. “Why have you allowed the boys to live?”
• Exodus 2:18 When the girls returned to Reuel, their father, he asked, “Why are you back so soon today?”
• Exodus 3:3 “This is amazing,” Moses said to himself. “Why isn’t that bush burning up? I must go see it.”
• Exodus 5:14 Then they whipped the Israelite foremen they had put in charge of the work crews. “Why haven’t you met your quotas either yesterday or today?” they demanded.