Where does “subchron” come from?

subchron (English) comes from English sub-, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

subchron (English): The time interval of a geomagnetic reversal event...

Definitions

  1. The time interval of a geomagnetic reversal event...

Ancestry of “subchron”, step by step

StepLanguageWordMeaning
1Englishsub-under, beneath; subsidiary, secondary; almost,...
2Latinsub-under, sub
3Proto-Indo-Europeanupóunder, below
4Proto-Indo-Europeanh₃ewp-—
Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Latin sub- →
subchron — Etymology, Origin & Word History | Etymology Explorer