mevalonic

Etymology tree
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English methyl
English valerian
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English valeric
German Ketonbor.
English ketone
English -one
▲
English -ic
English -onic
English mevalonic
From me(thyl-dihydroxy) + val(eric acid) + -onic.