어원, cogno-; gno-= know incognito ad. 신분을 감추고; 암행으로 (travel incognito) recognize v. 깨닫다 (I didn't recognize him at the moment. *re-= again) cognizant a. 인식하는 (We should be cognizant of the importance of the matter.) diagnose v. 진단하다 (The doctor began to diagnose his patient with a stethoscope. *dia-= thorough) precognition n. 선견 (clairvoyant precognition *pre-= beforehand) 공무원 두문자 암기 ✽ 책 구매 없이 PD..