αἱμύλιος
From LSJ
πέτρην κοιλαίνει ρανὶς ὕδατος ἐνδελεχείῃ → constant dropping wears away a stone, constant dripping will wear away the hardest stone, little strokes fell big oaks, constant dripping wears the stone, constant dropping wears the stone, constant dripping will wear away a stone
English (LSJ)
ον,
A = αἱμύλος, Od.1.56, h.Merc.317, Hes.Th.890, Thgn. 704; in good sense, Eranos 13.87.