alone
‘quite by oneself, being apart from others, being without anyone or anything else, solitary’
Lexical development traced from the Tamil root:
E. al-hon, alon, aloone, allone < O.E. all ana ‘unaccompanied, all by oneself’ < all ‘all, wholly’ + an ‘one’ < O.E. an (pronoun) ‘one’ < Proto-G. ainaz < uhn < oi-no- < Tamil oṉṟu