† nerterologyn.

Etymology: < ancient Greek νέρτεροι the dead (use as noun of masculine plural of νέρτερος lower, belonging to the lower world, comparative form with no corresponding positive (but compare νέρθε , ἔρθε from below), cognate with Umbrian nertru on the left < an Indo-European base (with suffix forming comparatives: see other adj.) with original sense ‘away from the sun’: compare north adv.) + -ology comb. form.