connatus
From LSJ
μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
connātus, a, um, part. p. de connascor.
connatus connata, connatum ADJ :: innate
connatus connatus connati N M :: twin; double; one similar/alike