Etymograph

English

geotropic

From geo- + -tropic.

Formed from geo + tropic

Old Norse gjá ‘chasm, rift, crack’

Norn gjo ‘an inlet, gully or cleft in a rocky coast,…’

English geo

Proto-Indo-European *trep- ‘to turn’

Ancient Greek τρέπω ‘turn’

Ancient Greek τροπή ‘turn; solstice’

Ancient Greek τροπικός ‘of a turn; of the solstice’

Late Latin tropicus ‘of or pertaining to the solstice’

English tropic

Today it means

adj Of or pertaining to geotropism.

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

Etymograph / geotropic