Where does “termonuclear” come from?
termonuclear (Spanish) comes from Spanish nuclear, 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.
termonuclear (Spanish): thermonuclear
Ancestry of “termonuclear”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Spanish | nuclear | nuclear; to join up; to unite |
| 2 | Spanish | núcleo | nucleus |
| 3 | Latin | nū̆cleus | — |
| 4 | Latin | nuculea | pertaining to a small nut |
| 5 | Latin | -eus | argentum + API → argenteus; ferrum + API →... |
| 6 | Ancient Greek | -εῖος | Forms adjectives, usually with a meaning of "of"... |
| 7 | Proto-Indo-European | -iHwós | — |
| 8 | Proto-Indo-European | -wós | Creates adjectives from verb stems |