Unknown soldiers in mass advance? (7)

19D — Unknown soldiers in mass advance? (7) — PAYMENT

• Definition
  Definition found: 'advance?'
• Indicator
  Indicator found: 'in'
• Operation
  'in' signals a container operation
• Fodder
  Fodder: 'Unknown soldiers mass'
• Abbreviation
  Abbreviations spotted: 'Unknown' → Y
• Synonym
  Synonyms spotted: 'soldiers' → MEN
• Synonym
  Synonyms spotted: 'mass' → PAT
• Assembly
  PAT + YMEN = PA(YMEN)T

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