FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

dianoia διάνοια — dee-an'-oy-ah — from 1223 and 3563; deep thought, properly, the faculty (mind or its disposition), by implication, its exercise:-- imagination, mind, understanding.

see GREEK for 1223

see GREEK for 3563