Lewis & Short

Smintheus or Zmin- (dissyl.), ĕi, m., = Σμινθεύς, an epithet of Apollo (from the Cretan σμίνθος, mouse, i. e. the mousekiller; or, as Aristarchus asserts, from Smintha (Σμίνθη), a town in the Troad, the Sminthean, Lact. 1, 7, 9; Ov. F. 6, 425; acc. Sminthea, id. M. 12, 585.
Hence,

    1. 1. Sminthēus, a, um, adj., of or belonging to Smintheus: spolia, i. e. Astynome, daughter of Chryses, priest of Apollo, Sen. Agam. 176.
    2. 2. Sminthius (Zmin-), a, um, adj., of Smintheus: mures (acc. to the myth, killed by Apollo), Arn. 3, 119; Dict. Cret. 14; 47: templum, Plin. 5, 30, 32, § 123.