δύσληπτος
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
English (LSJ)
ον,
A hard to take hold of, Sor.1.88; hard to catch, μοχθηρία Ph.2.366, cf. Luc.Anach.27; hard to comprehend, Str.13.4.12, A.D.Synt.225.28, Plu.2.17d.