Lewis & Short

dē-scindo, ĕre, 3, v. a., to divide: Sacerdotes clusi succincti libellis acceptis carmen descindentes tripodaverunt, i. e. marking, in singing, the pauses and measure, Inscr. Frat. Arv. 41. (Henz.; cf.: carmina divides, Hor. Od. 1, 15, 15; acc. to others, absol., parting, dividing into two parties, v. Wordsworth, Fragm. and Specim. p. 391.)