adulteration
‘state of being debased by mixture with something else’
Lexical development traced from the Tamil root:
E. adulteracyon < Lat. adulterationem < adulteratio ‘an adulteration, sophistication’ < adulterare‘corrupt, falsify; debauch; commit adultery’ < ad-‘to, near, at’ + alterare ‘to alter’ < alter ‘the other (of the two)’ < al- + -ter < uhl < Tamil al