It actually literally means "noble white", derived from German
edel meaning "noble" combined with German
weiß meaning "white". If the name meant "alpine star", then it would have been something like
Bergstern. Also see:
https://en.wiktionary.org/wiki/edelweiss#English (in English)
"It is no measure of health to be well-adjusted to a profoundly sick society." ~ Jiddu Krishnamurti (1895-1986)