orycto-comb. form of Gr. ὀρυκτός dug up (cf. τὰ ὀρυκτά things dug up), used in modern compounds (mod.L., Eng., Fr., Ger., etc.), with the sense of ‘fossil’ or ‘mineral’: see below.
orycto-/ɒˈrɪktəʊ/combining form of Greek oruktos dug up: see -o-.Used (now rarely) in the senses ‘fossil’, ‘mineral’.