ἁρμονία
harmonía
“joining, fitting together”
5 words in English grow from this root.
Harmonic
Scienceἁρμονίαharmonía
“belonging to the fitting-together”
Harmonica
Artἁρμονίαharmonía
“the fitted-together thing”
Harmonium
Artἁρμονίαharmonía
“the joining instrument”
Harmony
Artἁρμονίαharmonía
“a fitting together”
Philharmonic
Artφίλοςphílos
“music-loving”