from Proto-Indo-European *derǝ-, *drā- as per https://en.wiktionary.org/wiki/troll#Swedish ?
Also: https://en.wiktionary.org/wiki/Reconstruction:Proto-Germanic/trudan%C4%85
https://en.wiktionary.org/wiki/%E0%A4%A6%E0%A5%8D%E0%A4%B0%E0%A4%BE%E0%A4%A4%E0%A4%BF#Sanskrit ?
Zezen (talk) 21:09, 28 July 2021 (UTC)Reply