köken: Etymology tree Ancient Greek ἀδήν (adḗn)der. English adeno- Proto-Indo-European *-tósder. Ancient Greek -της (-tēs)der. Ancient Greek -ῖτις (-îtis)lbor. New Latin -itisder. English -itis English adenitisbor. Esperanto adenito From English adenitis, from New Latin, from Ancient Greek ἀδήν (adḗn).