Also [sc. attested is] dusana/lghtos ["hard-hearted"] in Sophocles: that is, hard to move, unfeeling, apathetic, unmerciful, stony. "For I should be hard-hearted not to have pity for such a supplication."[1]
Also [sc. attested is the related adverb] a)nalgh/tws ["painlessly"], [meaning] without feeling, without being troubled.[2]
Also [sc. attested is the genitive plural] a)nalgh/twn ["of those without feeling"], [meaning] of those without sympathy; or of those who do not altogether feel pain for someone or feel much pain, of those who have rejected us often. Sophocles [writes]: "alas, you cry the unspeakable deed of the twin unfeeling Atreidae in this grief." That is, in the present misfortune.[3]