sub-dīvĭdo

īsi, īsum, 3, v. a.
I. to subdivide (late Lat.): libros, Aug. Civ. Dei, 6, 3 med.: deinde subdivisimus, id. Trin. 3 prooem.: hebdomades, Tert. adv. Jud. 11 fin.
Lewis & Short
A Latin Dictionary, 1879
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