byway

US /ˈbaɪ.weɪ/
UK /ˈbaɪ.weɪ/
"byway" picture
1.

a minor road or path, especially one that is little used and off the main road

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We took a scenic byway through the countryside.
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The old house was hidden down a secluded byway.
:
lanetrackpathtrailside road
2.

a secondary or less important aspect of a subject

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The discussion strayed into interesting byways of philosophy.
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His research explored some obscure byways of local history.
:
digressiondiversiontangentsidetrack