compendĭo

āvi, ātum, 1, v. a.

compendium

I. To shorten, abridge: sermonem, Tert. adv. Marc. 4, 9; 4, 1.—
II. Compendiare alicui, lit., to shorten the way of life for one; hence, to kill him, Aug. Quaest. in Hept. 7 fin.
Lewis & Short
A Latin Dictionary, 1879
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