nickname
‘additional or substitute name’
Lexical development traced from the Tamil root:
E. nekename, nieckname, nyckename, nickename, nicname < O.E. eaca ‘an increase,’ related to eacian ‘to increase’ < Proto-G. aukan < ek < aug- < Tamil ākutal
nickname
English words derived from Tamil ākutal connoting 'growing, increasing'