呼

Phono-semantic compound:

口 (입 구, mouth) – semantic component, indicating speech or breath

乎 (어조사 호) – phonetic component

Widely used in compounds related to speech, shouting, and breathing.

呼名 (호명) — to call a name

呼訴 (호소) — to appeal, to plead

呼應 (호응) — to respond, to echo

呼出 (호출) — to call out, to summon

呼稱 (호칭) — an appellation, title, designation

呼吸 (호흡) — breathing

呼吸器 (호흡기) — respirator, breathing apparatus

歡呼 (환호) — to cheer, to acclaim

歡呼聲 (환호성) — cheers, acclamation

In Classical Chinese, 呼 was often paired with 吸 (inhale) to describe the act of breathing (呼吸).

Related characters: 叫 (cry, shout), 號 (call, roar, number), 吸 (inhale).