Un-heáh

According to the Old English Dictionary:

un-heáh

adj. Not high, low :-- Unhéh (printed unhela, but see Anglia viii. 450) þrepel eculeus, Wrt. Voc. i. 21, 18. Unhére sceós talares, i. 26, 23. Faraþ tó feldlandum and dúnlandum and tó unhéheran landum venite ad campestria atque montana et humiliora loca, Deut. 1, 7. Hwǽr se weall unhéhst sý, Homl. Th. i. 484, 10. un-heah