A combining form (also used adjectively) indicating derivation from, or relation to, valerian or some of its products, as valeric acid; as in valerolactone, a colorless oily liquid produced as the anhydride of an hydroxy valeric acid.
VALERO-
Meaning of VALERO- in English
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012