English

float switch

From float + switch.

A compound of float + switch

Proto-Indo-European *plewd- ‘to float, swim, fly’

Proto-Germanic *flutōną ‘to float’

Proto-West Germanic *flotōn ‘to float’

Old English flotian ‘to float’

Middle English floten ‘to float’

English float

Middle Dutch swijch ‘twig’

Today it means

noun A sensor that detects the level of liquid in a tank and can react to changes in the measurement.

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

Etymograph / float switch