ἐνθύμιον
From LSJ
αἱ δὲ χολωσάμεναι πηρὸν θέσαν → but they in their wrath maimed him, but they in their wrath made him helpless, but they in their wrath made him blind
English (Woodhouse)
scruple, point of conscience, qualm of conscience, something that weighs on one's conscience, twinge of conscience