English

geotaxis

From geo- + taxis.

A compound of geo- + taxis

Proto-Hellenic *gaya

Ancient Greek γῆ ‘earth’

English geo-

Proto-Indo-European *teh₂g- ‘to order, to establish, to rule’

Proto-Hellenic *tat͏̌t͏̌ō

Ancient Greek τᾰ́σσω ‘I arrange”, “I order’

Ancient Greek τάξις ‘arrangement, order’

English taxis

Today it means

noun A living creature's ability to move by orienting itself by gravitational forces.

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

Etymograph / geotaxis