The story
- Proto-Indo-European*pel-
- Proto-Indo-European*pleḱ-
- Latinplagium
- Latinplagiārius
- Englishplagiary
- Englishplagiarist
- Englishplagiaristic
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayplagiaristically
From plagiaristic + -ally.
Etymology from Wiktionary, CC BY-SA 4.0.