exogenous
‘originating externally’
Lexical development traced from the Tamil root:
Mod.Lat. exogenus < exo- ‘outer, outside’ + -genous ‘producing’ < -gen < F. -gène < Gk. -genes ‘born of, produced by’ < genos ‘birth,’ genea ‘race, family’+ -ous < juhn < gene < Tamil īṉ