A Scottish or dialectal term; possibly referring to a peaty or boggy area, though the exact meaning is archaic and uncertain.
Likely from Scottish Gaelic or Old Norse elements combined with Germanic roots; 'gries-' possibly relating to gray or bog, and '-och' a common Gaelic suffix.
Scottish dialect words like this are linguistic treasures—they're disappearing faster than linguists can document them, and words like 'grieshoch' survive mainly in old land records and folk terminology.
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