English

geodynamical

From geo- + dynamical.

Proto-Hellenic *gaya

Ancient Greek γῆ ‘earth’

English geo-

Proto-Indo-European *dewh₂- ‘to fit’

…

Ancient Greek δύναμις ‘power, might, strength’

Ancient Greek δυναμικός ‘able, powerful’

French dynamique ‘in motion, dynamic’

English dynamic

Today it means

adj Of or pertaining to geodynamics

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

Etymograph / geodynamical