line officer

ریشه

The word 'line' comes from Middle English 'line', from Old English 'līne', meaning 'rope, series, row'. 'Officer' comes from Old French 'oficier', from Latin 'officium', meaning 'duty, service'.

مثال

• The line officer led the troops into battle.
• He was promoted to the rank of line officer.
• The line officer coordinated the tactical maneuvers.