iruḷ (p. 51) --இருளு, கிறது--இருண் டது--இருளும்--இருள, v. n. To become dark --as clouds before rain, to darken, இருட்ட. 2. To grow dark--as at the close of the day; to become obscure--as a heavenly or luminous body, மங்க. 3. To become dark or dim in color, ஒளிமழுங்க. 4. To become obscure or dark--as when over-spread with clouds, இருப்பட. 5. To darken or be dark, as the mind, be in ignorance, illusion, doubt, &c., மருள. மனமிருண்டுபோயிற்று. The mind is obscured or is under the power of illusion. வானமிருண்டது. The heavens grew black. இருண்டகாடு, s. A dark forest. இருண்டசிவப்பு, s. Dark red, red mixed with black. இருண்டமனம், s. A mind that conceals dark and diabolical designs. இருட்சி, v. noun. Darkness, obscurity, cloudiness, gloom, becoming dark, இருள்கை. 2. Mental darkness, ignorance of spiritual things, மருளுகை. 5)