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
- English todayshameless
From Middle English schameles, shameles, from Old English sċamlēas, sċeamlēas (“without shame; shameless”), from Proto-Germanic *skamalausaz (“shameless”), equivalent to shame + -less. Cognate with West Frisian skamteleas (“shameless”), Dutch schaamteloos (“shameless”), German schamlos (“shameless”), Danish skamløs (“shameless”), Swedish skamlös (“shameless”), Icelandic skammlaus (“shameless; unashamed”).
Etymology from Wiktionary, CC BY-SA 4.0.