Where does “syntony” come from?

syntony (English) comes from Ancient Greek συντονία, from Ancient Greek σῠ́ντονος, from Ancient Greek τόνος, from Proto-Hellenic tónos, from Proto-Indo-European tónos, from Proto-Indo-European ten- — to stretch, to extend.

syntony (English): A condition in which two oscillators have the...

Definitions

A condition in which two oscillators have the...

Ancestry of “syntony”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	συντονία	tension
2	Ancient Greek	σῠ́ντονος	—
3	Ancient Greek	τόνος	rope, cord; chord; tone, note
4	Proto-Hellenic	tónos	rope, cord; tension
5	Proto-Indo-European	tónos	something stretched; chord, fiber, string
6	Proto-Indo-European	ten-	to stretch, to extend

Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tónos →Every word from Proto-Hellenic tónos →