Etymograph > Indo-European > Proto-Germanic > Dictionary > *unhtwōn-

N (f)

last part of the night

Source: Kroonen 2013:559
Words originating from this one
OE ūht "morning, dawn" (unhtwōn- > ūhtwōn > ūhtwān > uhtwān > uhtwan) through pgmc-to-oe
(source: Kroonen 2013:559)