scaccus

From Arabic شَاه (šāh, “king [in chess]”), from Classical Persian شاه (šāh, “king”).

• (Classical Latin) IPA^(key): [ˈskak.kʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈskak.kus]

scaccus

1. (Medieval Latin, chess) check

• scaccī
• lūdus scaccōrum

• Old French: eschec
  • French: échec
    • → Catalan: xec
  • → Middle Dutch: scaec
    • Dutch: schaak
    • → Danish: skak
  • → Middle English: chek, chekke
    • English: check, cheque (see there for further descendants)
  • → Middle English: ches, chees, chesse, echesse, esches (via the plural eschés)
    • English: chess
    • Scots: chess