English

geonuclear

From geo- + nuclear.

Proto-Hellenic *gaya

Ancient Greek γῆ ‘earth’

English geo-

Proto-Italic *knuks ‘nut’

Latin nux ‘nut’

Latin nucleus ‘small nut; kernel’

Today it means

adj Relating to the study of isotopic variation in rocks

Language periods are conventional ranges, not dates for this word.

Etymograph / geonuclear