Meaning

noun the surface soil that must be moved away to get at coal seams and mineral deposits

noun an excessive burden

verb burden with too much work or responsibility

originEtymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- English burden English overburden From over- + burden.

Etymology from Wiktionary, CC BY-SA 3.0