A noun translated as “gloom” derived from the root √DAWAR (SD/423). It is an example of how primitive [w] and [j] became [u] and [i] before consonants and finally, thereby producing diphthongs.
an-prefix. intensitive prefix, intensive, intensive prefix, plu-, plus, intensive, superlative, intensive
néadverb. ago, behind (earlier time), yes (it was so)
-usuffix. dual ending