The story
- Proto-Germanic*skamō
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- Proto-Germanic*skamōlausaz
- Proto-West Germanic*skamulaus
- Old Englishsċamlēas
- Middle Englishschameles
- Englishshameless
- English todayshamelessly
Etymology from Wiktionary, CC BY-SA 4.0.