delf
noun
1.
an excavation; usually a quarry or mine
Origin
From Middle English delf, delve, dælf (“a quarry, clay pit, hole; an artificial watercourse, a canal, a ditch, a trench; a grave; a pitfall”), from Old English delf, ġedelf (“delving, digging”) and dælf (“that which is dug, delf, ditch”), from Proto-West Germanic *delban (“to dig”), from Proto-Germanic *delbaną (“to dig”). More at delve.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.