goodnite · phrase1
Compound of good + nite (“night”), by analogy with goodnight (“alternative form of good night: a farewell said in the evening or before going to sleep”).
goodnite · noun2
Alternative capitalisation.
Goodnite · noun3
Back-formation from Goodnites, a brand of nighttime diapers produced by Kimberly-Clark. Compare Huggie and pamper.
Etymology from Wiktionary, CC BY-SA 4.0.