English

radiodetection

From radio- + detection.

Latin radius ‘ray’

Proto-Indo-European *(s)teg- ‘to cover with a roof’

Proto-Italic *tegō ‘to cover’

Latin tegō ‘to cover, to hide’

Latin dētegō ‘to uncover, to discover, to detect’

Latin detectio ‘discovery, the act or process of learning…’

Today it means

noun The detection of underground electric cables (via the radio waves produced by alternating current)

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

Etymograph / radiodetection