FROM STRONG’S GREEK DICTIONARY (1890)

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

katamanthano καταμανθάνω — kat-am-an-than'-o — from 2596 and 3129; to learn thoroughly, i.e. (by implication) to note carefully:--consider.

see GREEK for 2596

see GREEK for 3129