What is the meaning of Wnwt?

(unequal) hour (one twelfth of the period of daylight or one twelfth of the period of night)

nonspecific span of time; moment, time, hour

hourly duties or service, work to be performed regularly

hourly staff, workers assigned duties to be performed regularly

in particular, the hourly staff or hour-priesthood of a temple

Source: wiktionary.org