IPA: //hɑːrˈmoʊniəm//
KK: /hɑrˈmoʊniəm/
A musical instrument similar to an organ that creates sound using metal reeds and air from a bellows.
The musician played a beautiful melody on the harmonium during the concert.
Harmonium → The word is derived from 'harmonia' (from Greek 'harmonia', meaning agreement or concord) and the suffix '-um' (a Latin neuter noun ending). The term 'harmonium' refers to a musical instrument that produces harmonious sounds, reflecting the idea of agreement in music.
Think of 'harmonia' which means agreement or harmony in music — that's why a harmonium is an instrument that creates harmonious sounds.