Source : Webster's Revised Unabridged Dictionary (1913)

Emanate \Em"a*nate\, v. i. [imp. & p. p. {Emanated}; p. pr. &
   vb. n. {Emanating}.] [L. emanare, emanatum, to emanate; e out
   + manare to flow, prob. for madnare, and akin to madere to be
   wet, drip, madidus wet, drenched, drunk, Gr. ?, ?, wet, ? to
   be wet, Skr. mad to boil, matta drunk. Cf. {Emane}.]

Emanate \Em"a*nate\, a.
   Issuing forth; emanant. [R.]

Source : WordNet®

emanate
     v 1: proceed or issue forth, as from a source; "Water emanates
          from this hole in the ground"
     2: give out (breath or an odor); "The chimney exhales a thick
        smoke" [syn: {exhale}, {give forth}]