What does "alyssum" mean?

Any of several plants, of the genus Alyssum, mostly of Eurasian origin, that have racemes of white or yellow flowers.

Alyssum

Common synonyms include: brassicaceae genus, flowering plant genus, garden herb, ground cover plant, lobularia, lobularia maritima.

noun

noun ·Rare ·Advanced level

Noun

1
Any of several plants, of the genus Alyssum, mostly of Eurasian origin, that have racemes of white or yellow flowers.
2
any garden plant of the genus Alyssum having clusters of small yellow or white flowers wordnet

Borrowed from translingual Alyssum, from Ancient Greek ἄλυσσον (álusson).