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Stalagmite

/stəˈlæɡmaɪt/noun

A mineral column rising from a cave floor where water has dripped and evaporated.

The Greek roots

σταλαγμός
stalagmós
a dripping, a drop

Literally: drop-formed one

The story of the word

Stalactite and stalagmite come from one Greek verb, σταλάσσω, to drip, which threw off two nouns: σταλακτός, dripping, and σταλαγμός, the drop that has landed. The single letter of difference is therefore a statement about direction, not a spelling quirk. Cave guides teach the pair with mnemonics about tights and the ground; Greek had the distinction built in.

How it travelled
Ancient Greek → Modern Latin → English
First recorded
1680s

Same family

stalactitespeleothem

In a sentence

A stalagmite the height of a man had grown under the crack in the roof.

They dated the climate record from a sawn stalagmite.

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