English

geotectonics

Geotectonics may come from German Geotektonik.

attested reconstructed ? uncertain or disputed

Lineage

Proto-Hellenic *gaya

Ancient Greek γῆ ‘earth’

English geo-

Proto-Indo-European *tetḱ- ‘to create, produce’

Proto-Indo-European *tétḱō ‘carpenter’

Proto-Hellenic *téktōn

Ancient Greek τέκτων ‘builder’

From geo- + tectonics (although this is apparently first attested later), possibly from German Geotektonik.

Every English word from German Geotektonik

noun Tectonics, structural geology; the study of the structure of the Earth, especially of the formation and movement of tectonic plates.

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