Etymology of the English word tonometer
the English word
tonometerderived from the Medieval Greek word
tonos, τόνος
derived from the Greek word
teino, τείνω
using the Greek suffix
-meterderived from the Greek word
metron, μέτρον (measure; a measure ('metre'), literally or figuratively; by implication, a limited portion (degree))
derived from the Proto-Indo-European root
*me-derived from the Proto-Indo-European root
*mē-using the English prefix
tono-using the English suffix
-meterderived from the Greek word
metron, μέτρον (measure; a measure ('metre'), literally or figuratively; by implication, a limited portion (degree))
derived from the Proto-Indo-European root
*me-derived from the Proto-Indo-European root
*mē-Date
The earliest known usage of tonometer in English dates from the 18th century.
Usage
Word found in Modern English
