Lewis & Short

pūtĕo, ēre (no perf. or sup.), 2, v. n. [Sanscr. root pu-, to stink; cf. pus; Gr. πῦον].

  1. I. To stink (cf. putesco), Cic. Fragm. ap. Non. 545, 16: putet aper, Hor. S. 2, 2, 42: putere diurno mero, id. Ep. 1, 19, 11; Pers. 3, 73.
  2. II. To be rotten, putrid, Plaut. Most. 1, 2, 67 (al. putrent).
    Hence, pū-tens, entis, P. a., stinking, Aldh. Laud. Virg. 35; Scrib. Comp. 186.