(a.), pl. ṣikāk , a technical term of early Islamic financial, commercial and legal usage, appearing in Persian, through a standard sound change, as čak , meaning “document, contract of sale, etc.”, which has been suggested—for want of any other etymology—as the origin of Eng. “cheque”, Fr. “chèque,” Ger. “Scheck,” see E. Littmann, Morgenländische Wörter im Deutschen , 2 Tübingen 1924.
The term’s range of applications is wide, see Lane, Lexicon , 1709. In legal contexts, it has a similar meaning to sid̲j̲ill [see sid̲j̲ill. 1.], sc. a signed and sealed record of a judge’s decisi…