COMMENT: A common NC temporal adverb. We must note that in most subgroups the root can be followed by some kind of affricate (although the affricates do not correspond to each other regularly).
The root is also attested in HU: Hurr. χennǝ, Ur. χenǝ 'now' (see Diakonoff-Starostin 1986, 32).
