δυσκάθαρτος
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)
[κᾰ], ον,
A hard to purify, Ph.1.239, al.; hard to purge, πνεύματα Plu.2.991b, cf. Dsc.5.69. II hard to satisfy by purification or atonement, δ. Ἅιδου λιμήν, of the house of the Labdacidae in which murders never ceased, S.Ant. 1284 (lyr.); δαίμων Ar.Pax1250.