English

helicocone

From helico- + cone.

Ancient Greek ἕλιξ ‘anything twisted, winding or in a spiral’

Ancient Greek κῶνος ‘cone, spinning top, pine cone’

Medieval Latin cōnus

Middle English cone ‘corner, angle’

English cone

Today it means

noun A conelike spiral tube that is the form of most mollusc shells.

Language periods are conventional ranges, not dates for this word.

Etymograph / helicocone