νηλεής, νηλής (νη-, ἔλεος): pitiless, ruthless,
relentless; of persons, and often fig., θυ_μός, ἦτορ, δεσμός, νηλεὲς ἦμαρ, ‘day of
death’; ὕπνος, of a sleep
productive of disastrous consequences, Od.
12.372.