spire
(architecture) A tapering structure built on a roof or tower, especially as one of the central architectural features of a church or cathedral roof. [from 16th c.]
The spire of the church rose high above the town.
From Middle English spire, spyre, spier, spir, from Old English spīr, from Proto-Germanic *spīrō, *spīrǭ (“peak; point; tip; stalk”). Cognate with Dutch spier, German Low German Spier, German Spier, Spiere, Danish spir, Norwegian spir and spire, Swedish spira, Icelandic spíra.
https://en.wikipedia.org/wiki/Spire