geriatrics
elder; gaffer; grandsire; graybeard; old-timer; oldster; senior citizens
【医】 gero-; geronto-
ill; sick; malady; affection
【医】 affection; complaint; disease; evil; ill; illness; mal; maladie; malady
malum; morbi; morbus; patho-; sickness; sirupus ferri jodati; vitium
imitate; knowledge; learn; mimic; school; study; subject of study