The Collaborative International Dictionary
Evanid
Evanid \E*van"id\, a. [L. evanidus, fr. evanescere. See Evanesce.] Liable to vanish or disappear; faint; weak; evanescent; as, evanid color. [Obs.]
They are very transitory and evanid.
--Barrow.
Wiktionary
evanid
a. (context obsolete English) Liable to vanish; faint; weak; evanescent.