The story
- Ancient GreekΠέργαμον (Pérgamon)
- Ancient GreekΠεργαμηνὴ (διφθέρα) (Pergamēnḕ (diphthéra))
- Vulgar Latin*pergamīnus
- Old Frenchparchemin
- Middle Englishparchemyn
- Englishparchment
- Englishparchmentize
- English todayparchmentized
From parchmentize + -ed.
Etymology from Wiktionary, CC BY-SA 4.0.