esquire
‘a shield-bearer, gentleman’
Lexical development traced from the Tamil root:
E. equire < O.F. escuier ‘shield-bearer (attendant young man in training to be a knight), groom’ < Mod.F. écuyer < Med.Lat. scutarius ‘shield-bearer, guardsman’ < scutum ‘shield’ < O.N.F. escuchon < O.F. escusson ‘half-crown (coin); coat of arms, heraldic escutcheon’ < Vulgar Lat. scutionem < Lat. scutum ‘shield’ < skoito- ‘piece of wood, sheath, shield’ + e- < skvai < skei- < Tamil kappu