Origin: Greek prefix tele-
Telemetry has 2 different meanings across 1 category:
automatic transmission and measurement of data from remote sources by wire or radio or other means
"The spacecraft's telemetry system sent real-time temperature readings back to Earth, allowing engineers to detect the overheating issue immediately."
the science, and associated technology, of the automatic recording and transmission of data from a remote source to a receiving station for analysis
"Engineers rely on satellite telemetry to monitor the health of spacecraft as they journey through deep space."