English

isocatabase

From iso- + cata- + base.

Ancient Greek ἴσος ‘equal’

English iso-

Proto-Hellenic *kətá

Ancient Greek κατά ‘downwards’

English cata-

Proto-Indo-European *gʷem- ‘to come’

…

Ancient Greek βᾰ́σῐς ‘stepping’

Latin basis ‘a pedestal’

Old French base

Middle English base ‘a foundation or base’

English base

Today it means

noun An isobase of equal subsidence.

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

Etymograph / isocatabase