The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Ancient Greekχαράσσω (kharássō)
- Ancient Greekχαρακτήρ (kharaktḗr)
- Ancient Greekχᾰρακτηρίζω (khăraktērízō)
- Medieval Latincharactērizō
- Englishcharacterize
- Englishcharacterizability
- English todayuncharacterizability
From un- + characterizability.
Etymology from Wiktionary, CC BY-SA 4.0.