What is the meaning of Uath?

horrible thing, horror

whitethorn, Crataegus monogyna

name of the Ogham letter ᚆ (h)

alternative form of fuath (“form, shape; phantom, spectre”)

alternative form of fuath (“hate, hatred”)

alternative form of uafar (“dreadful, horrible”)

dread, terror

hawthorn

the letter H in the Gaelic alphabet

Source: wiktionary.org