From the base of G3466; to {initiate} that {is} (by implication) to teach: - instruct.
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Matrix
Heb 4:12For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrowG3452, and is a discerner of the thoughts and intents of the heart.