ðə wˈɜːd hˌaɪpoʊpnˈiː jˈuːsᵻz kəmbˈaɪnɪŋ fˈɔːɹmz ʌv hˈaɪpoʊ plˈʌs pˈiːnˈiː, fɹʌmðə ɡɹˈiːk ɹˈuːts hˈaɪpoʊ mˈiːnɪŋ lˈoʊ, ˈʌndɚ, bᵻnˈiːθ, dˈaʊn, bᵻlˌoʊ nˈoːɹməl ænd pˈiːnˈɔɪə mˈiːnɪŋ bɹˈiːðɪŋ.
The word hypopnea uses combining forms of hypo- + -pnea, from the Greek roots hypo- (meaning low, under, beneath, down, below normal) and pnoia (meaning breathing).