Etymograph

English

tonepad

From tone + pad.

A compound of tone + pad

Proto-Indo-European *ten- ‘to stretch’

…

Proto-Hellenic *tónos ‘tension’

Ancient Greek τόνος ‘strain, tension, pitch’

Latin tonus ‘sound, tone’

Middle English ton ‘tone, sound’

English tone

West Flemish pad ‘sole of the foot’

English pad

Today it means

noun A form of simple modem that generates tones used to control a device at the other end of a telephone line.

Sources

Sources: Wiktionary, “tonepad”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / tonepad

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