From Middle English hon ‘whetstone’, from Old English hān, from Proto-Germanic *hainō (compare Dutch heen, Norwegian hein), from Proto-Indo-European *ḱeh₃i- ‘to sharpen’ (compare Greek κώνος (kṓnos) ‘cone’, Persian sān ‘whetstone’).
hone (plural hones)
- A sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool.
- A machine tool used in the manufacture of precision bores.
- To sharpen with a hone.
- To use a hone to produce a precision bore.
- To refine or master (a skill).
- To make more acute, intense, or effective.
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See also 
- See ほね