Where does “mononucleosis” come from?

mononucleosis (Spanish) comes from Spanish núcleo, from Latin nū̆cleus, from Latin nuculea, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

mononucleosis (Spanish): mononucleosis

Definitions

  1. mononucleosis

Ancestry of “mononucleosis”, step by step

StepLanguageWordMeaning
1Spanishnúcleonucleus
2Latinnū̆cleus(small) nut
3Latinnuculeapertaining to a small nut
4Latin-eusargentum + API → argenteus; ferrum + API →...
5Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
6Proto-Indo-European-iHwós
7Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wósEvery word from Latin -eusEvery word from Ancient Greek -εῖος