EVANESCENTLY

Etymology

Adverb

evanescently (comparative more evanescently, superlative most evanescently)

In an evanescent manner

Source: Wiktionary

Ev`a*nes"cent*ly, adv. In a vanishing manner

Definition: ; imperceptibly. Chalmers.

EVANESCENT

Ev`a*nes"cent, a. Etym: [L. evanescens, -entis, p. pr. of evanescere.]

1. Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys. So evanescent are the fashions of the world in these particulars. Hawthorne.

2. Vanishing from notice; imperceptible. The difference between right and wrong, is some petty cases, is almost evanescent. Wollaston.

Source: Webster’s Unabridged Dictionary 1913 Edition