maestĭfĭco

āvi, ātum, 1, v. a.

maestus-facio

I. to make sad or sorrowful, to sadden (post-class.): si paupertas angit, si luctus maestificat, Aug. Ep. 121: facies umbris maestificata larvalibus, Sid. Ep. 3, 13 med.; Mart. Cap. 9, § 888.
Lewis & Short
A Latin Dictionary, 1879
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