English

geoscopy

From geo- + -scopy.

Formed from geo + scopy

Old Norse gjá ‘chasm, rift, crack’

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

English geo

Today it means

noun Knowledge or study of the earth or soil, obtained by inspection.

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

Etymograph / geoscopy