μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
obstructus: a, um, Part., from obstruo.
obstrūctus, a, um, part. de obstruo.
obstructus, a, um. part. p. v. obstruo. :: Obstructa difficultatibus cognitio 甚難曉之事。
