κελαινεφής

A. black with clouds, Homeric epith. of Zeus, shrouded in dark clouds, cloud-wrapped, παρὰ πατρὶ κελαινεφεῖ Il. 21.520, cf. Pi. Pae. 6.55; addressed as κελαινεφές in Il. 15.46, Od. 13.147.

2. generally, dark-coloured, ῥέε δ’ αἷμα κ. 11.36, cf. Il. 4.140; πεδίον κ. black, rich soil, Pi. P. 4.52; σκότος κ. Id. Fr. 142.