progenitor
‘forefather, founder, originator’
Lexical development traced from the Tamil root:
E. projenitor, progennytor, proienitour, progenytour, progenetour < progenitour ‘an ancestor in the direct line’ < A.F. progenitour, O.F. progeniteur < Lat. progenitor ‘ancestor, the founder of a family’ < progignere ‘beget’ < pro ‘forth’ + gignere ‘to produce, beget’ < jen < gene- < Tamil īṉ