siachmat

== Welsh == === Etymology === Learned borrowing from Arabic شَاه مَاتَ (šāh māta), from Persian شاه مات (šâh mât, “the king [is] amazed”). === Noun === siachmat m (plural siachmatau, not mutable) (chess) checkmate ==== Derived terms ==== siach (“check”) === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “siachmat”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies