塵

Glyph origin
– cloud of dust produced by a (group of) running deer. Ancient simplification of, which pictures three deer on top instead of one.

Etymology
From. Cognate with 🇨🇬.

Definitions

 * 1) dust; dirt; ashes; cinders
 * 2) to be streaked with dirt; to become stained
 * 3) trace; footprint
 * 4)  dirty thing
 * 5)  war; warfare
 * 6)  this world; mundane world; this mortal life
 * 7)  the number billionth (10–9)
 * 8) for a long time
 * 1) for a long time

Noun

 * 1) dust

Etymology 3
From. First attested in a Buddhist text from the 600s.

Noun

 * 1)   impurity
 * 2) one billionth