eldritch
‘pertaining to elves or fairies, weird, unnatural’
Lexical development traced from the Tamil root:
E. elrich(e), elrish, elrage, alriche < O.E. el- ‘else, otherwise’ + rice ‘realm’ < rik < reg- < Tamil aracaṉ
eldritch
English words derived from Tamil aracaṉ connoting 'rule'