Heofonisc

According to the Old English Dictionary:

heofonisc

adj. Heavenly :-- Hú ðæt heofenisce fýr forbærnde ðæt lond on ðæm wǽron ða twá byrig on getimbred Sodome and Gomorre how fire from heaven consumed the land in which were built the two cities Sodom and Gomorrah, Ors. tit. 3; Swt. 1, 6. [Cf. O. Sax. O. H. Ger. himilisk: O. Frs. himelesk: Icel. hifneskr, himneskr.] heofonisc