orthodoxy
‘the quality or state of being orthodox’
Lexical development traced from the Tamil root:
E.orthodoxie < F. orthodoxie< La.Lat. orthodoxia < Gk. orthodoxia ‘right opinion’ < orthodoxos ‘having the right opinion’< orthos ‘straight, true, correct, regular’ + doxa ‘opinion, praise’ < awthuh < eredh- < Tamil uṟu