10 letters · 15 points in Scrabble
originFrom Middle English scatheles, skathelæs (“scathless”), from Old English *sceaþlēas; equivalent to scathe + -less, or scath + -less. Cognate with Scots skaithless (“free of financial loss, penalty or liability”), Old Frisian skadlos, schadlos (“scatheless”), Dutch schadeloos (“harmless”), Middle Low German schadelōs, Middle High German schadelōs, Danish skadesløs (“harmless”), Swedish skadeslös…
Etymology from Wiktionary, CC BY-SA 3.0