TROGLODYTE

noun Etymology: Latin troglodytae, plural, from Greek trōglodytai, from trōglē hole, cave (akin to Greek trōgein to gnaw, Armenian aracem I lead to pasture, graze) + dyein to enter Date: 1555 a member of any of various peoples (as in antiquity) who lived or were reputed to live chiefly in caves, a person characterized by reclusive habits or outmoded or reactionary attitudes, troglodytic adjective