cyclooctatetraene

Etymology tree
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
Ancient Greek κῠ́κλος (kŭ́klos)der.
Late Latin cyclusbor.
Middle English cicle
English cycle
Ancient Greek κυκλῐκός (kuklĭkós)bor.
Classical Latin cyclicuslbor.
Middle French cyclique
French cycliquebor.
▲
Classical Latin cyclicusbor.
English cyclic
English cyclo-
Proto-Indo-European *oḱtṓw
Proto-Hellenic *oktṓ
Ancient Greek ὀκτώ (oktṓ)
Ancient Greek ὀκτᾰ- (oktă-)
English octa-
Proto-Indo-European *kʷetwóres
Proto-Hellenic *kʷétwores
Ancient Greek τέσσᾰρες (téssăres)
Ancient Greek τετρᾰ- (tetră-)bor.
English tetra-
English -ene
English cyclooctatetraene
From cyclo- + octa- + tetra- + -ene.