Lewis & Short

trĭtăvus (old sibilated collat. form strĭtăvus, acc. to Fest. p. 314 Müll.), i, m. [teravus], the father of an atavus or atavia.

  1. I. Lit., Dig. 58, 10, 3; 58, 10, 10; Plaut. Pers. 1, 2, 5; Fest. l. l.
  2. * II. Transf., in gen., remote ancestors, Varr. R. R. 3, 3, 2.