τόνος
tónos
“pitch, tension”
13 words in English grow from this root.
Baritone
Artβαρύςbarýs
“heavy-toned”
Catatonia
Mindκατάkatá
“tension throughout”
Diatonic
Artδιάdiá
“through the tones”
Hypertonic
Medicineὑπέρhypér
“over-stretched”
Hypotonic
Medicineὑπόhypó
“under-stretched”
Isotonic
Sportἴσοςísos
“of equal tension”
Melatonin
Medicineμέλαςmélās
“dark-pigment tension”
Monotone
Artμόνοςmónos
“single tone”
Monotonic
Numberμόνοςmónos
“of one pitch”
Pentatonic
Artπέντεpénte
“five-toned”
Tone
Artτόνοςtónos
“a stretching”
Tonic
Everydayτόνοςtónos
“of stretching”
Tune
Artτόνοςtónos
“tension of a string”