Rimstone
/ˈrɪm.stoʊn/noun
A deposit of calcium carbonate formed along the edges of pools or terraces in caves and hot springs.
Did you know?Rimstone dams can form natural terraces around cave pools, creating miniature landscapes that resemble underground stairways or altars.
Etymological Timeline
Proto-Germanic
Proto-Germanic
*rīmō
“Edge, border, or rim; the source of the first element.”
Proto-Indo-European
PIE
*steh₂-
“To stand; the ancient root behind the Germanic word for stone and several distant English relatives.”
Old English
Old English
rima
“Rim, edge, or border.”
Old English
Old English
stān
“Stone, rock, or a piece of mineral matter.”
Modern English
English
rimstone
“A compound meaning “edge stone,” later used specifically for mineral deposits forming around cave or spring pools.”
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