Dutch lensmaker Hans Lippershey is generally credited as the inventor of the telescope. (That's his patent application, below.) He had a different name for the device: He called it a "kijker," meaning "looker" in Dutch.
In a different reality, there is a Hubble Space Kijker.
https://micro.magnet.fsu.edu/optics/timeline/people/lippershey.html