cobblestone
n.a small, round stone used to make a road or a path. These stones are often used in old towns to make the streets look pretty and historic.
n.a small, rounded stone used as a paving material for roads or walkways. Often associated with historical or tourist districts for aesthetic reasons.
“The old town is famous for its narrow cobblestone streets.”
“Walking across the wet cobblestone path was tricky because the stones were slippery after the rain.”
“The preservation society worked hard to ensure that the original cobblestone layout of the village square remained intact despite the modernization of the surrounding infrastructure.”
From Middle English cobylstone, cobyllstone, kobilstane, kobill-stane, equivalent to cobble + stone. Compare Old Norse köppusteinn (“boulder”), Danish kampesten (“boulder”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.