Plural of fretway; routes or paths decorated with fretwork, or passageways marked by fret patterns (rare).
Compound of 'fret' + 'ways' (plural of way), combining the pattern or path concept with directional meaning; a rare or specialized architectural term.
This is a wonderfully obscure word that shows how English can compound existing words in creative ways—'fretways' might describe cathedral passages decorated with geometric fretwork patterns.
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