English
geosequestration
From geo- + sequestration; also, by surface analysis, geosequester + -ation.
Formed from geo- + sequestration
Latin secus ‘otherwise, to the contrary’
…
Latin sequestrum ‘depository’
Latin sequestrō ‘sequester’
Late Latin sequestrātiō
Middle French sequestration
English sequestration
Today it means
noun Geological sequestration (of any material), causing it to be sequestered underground.
Language periods are conventional ranges, not dates for this word.
Etymograph / geosequestration