號 (hào)
mark, sign; symbol; number; to call, to cry, to roar
Etymology
Phonosemantic compound. 虎 represents the meaning and 号 represents the sound.
Shuowen Jiezi
《說文》：“號，呼也。从号，从虎。”
Components
- 虎 (meaning) — Alludes to the meaning "roar".
- 号 (sound, meaning)