The story
- Ancient Greekψεύδω (pseúdō)
- Ancient Greekψευδής (pseudḗs)
- Ancient Greekὄνῠμᾰ (ónŭmă)
- Ancient Greekψευδώνυμος (pseudṓnumos)
- Latinpseudōnymus
- Proto-Indo-European*h₃ed-
- Proto-Indo-European*h₃édosder.?
- Englishpseudonym(ous)
- English todaypseudonymize
From pseudonym(ous) + -ize, following the model of anonymize.
Etymology from Wiktionary, CC BY-SA 4.0.