Meaning

noun a plant of the genus Valeriana having lobed or dissected leaves and cymose white or pink flowers

originFrom Old French valeriane or Medieval Latin valeriāna, a reinterpretation of what is found as German Baldrian after valēre (“to be powerful”) or also the gentilic name Valerius, which is seemingly borrowed in the Dark Age period from the late 6ᵗʰ to early 8ᵗʰ century from Turkic or Proto-Mongolic, when the Pannonian Avars were direct neighbours to the Germans, notably also present in Hungarian…

Etymology from Wiktionary, CC BY-SA 3.0