Where does “supranuclear” come from?

Supranuclear derives from English nuclear, from Latin nucleus meaning kernel, from Latin nux meaning nut, from Proto-Indo-European knew-, ultimately from Proto-Indo-European ken-.

supranuclear (English): Above the level of the motor neurons

Definitions

  1. Above the level of the motor neurons

Ancestry of “supranuclear”, step by step

supranuclear traces back through two separate lines of ancestry.

via Spanish nuclear

StepLanguageWordMeaning
1Spanishnuclearnuclear; to join up; to unite
2Spanishnúcleonucleus
3Latinnū̆cleus(small) nut
4Latinnuculeapertaining to a small nut
5Latin-eusargentum + API → argenteus; ferrum + API →...
6Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
7Proto-Indo-European-iHwós
8Proto-Indo-European-wósCreates adjectives from verb stems

via English nuclear

StepLanguageWordMeaning
1EnglishnuclearPertaining to the nucleus of an atom; Involving...
Every word from Proto-Indo-European -wós