orthognathous

‘having a straight or vertical, rather than a projecting, jaw’

Lexical development traced from the Tamil root:

    Gk. orthos ‘straight, true, correct, regular’ + gnathos ‘jaw, cheek’ < awthuh < eredh- < Tamil uṟu

Technical words derived from 'orthognathous'

orthognathous - செங்குத்துத் தாடைகளையுடைய.