rectitude
‘moral uprightness, righteousness’
Lexical development traced from the Tamil root:
E. rectytude < O.F. rectitude < La.Lat. rectitudinem < rectitudo ‘straightness, uprightness’ < Lat. rectus ‘straight’ < rek < reg- < Tamil aracaṉ
rectitude
English words derived from Tamil aracaṉ connoting 'rule'