acme, = the highest point of anything, the bloom, flower, prime of man’s age;
aden, adena, = an acorn, a gland.
(referring to the glands on the anthers)
nix, nivis, = snow;
-eus, = indicates material or colour or resemblance in quality.
niveus, = of or from snow, snowy, snow-; snow-white, snowy.
(snowy, snow-white) (ld, BL)