The story
- Latin · derived frominsūsurrātiō, insūsurrātiōnem
- English todayinsusurration
From Latin insūsurrātiō, insūsurrātiōnem (whence -ation), from īnsusurrātus, past participle of īnsusurrō (“to whisper into”), from susurrus (“whisper, murmur”).
Etymology from Wiktionary, CC BY-SA 4.0.