πόλλ̓ adv., ‘very’: O. C. 1514 n. πικρὸς: schol. “ἐχθρός”. Cp. Eur. Phoen. 955(a soothsayer) “ἢν μὲν ἐχθοὰ σημήνας τύχῃ”, | “πικρὸς καθέστηχ᾽ οἶς ἂν οἰωνοσκοπῇ”, ‘odious.’ Hence the conject. στυγνὸς (Nauck) is wholly needless. The active sense, ‘hostile,’ is more freq., as Soph. Ai. 1359“νῦν φίλοι καὖθις πικροί”.