divabuterol

Etymology tree Proto-Indo-European *dwóh₁ Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δῐ- (dĭ-)bor. Latin di-bor. English di- Ancient Greek πῐ́νᾰξ (pĭ́năx) German Ketonbor. English ketone English -one English pinacone Proto-Hellenic *élaiwon Ancient Greek ἔλαιον (élaion)der. Latin oleumder. English -ol Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English pinacolin English valerian Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English valeric blend English pivalic English -ate English pivalate Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Indo-European *-tós Proto-Indo-European *tritós Proto-Italic *tritios Latin tertiusder. English tert- Proto-Indo-European *gʷṓws Proto-Hellenic *gʷous Ancient Greek βοῦς (boûs) Proto-Indo-European *tewh₂-der. Proto-Hellenic *tūrós Ancient Greek τῡρός (tūrós) Ancient Greek βούτῡρος (boútūros)der. English but- Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English butyl English tert-butyl English arterenol? English -terol English -buterol English divabuterol From di- + (pi)va(late) + -buterol (“phenethylamine derivative”).

来源：wiktionary