頑強

Adjective

 * 1) staunch; tenacious; indomitable

Etymology
→ →  →

Probably from compound. Compare modern 🇨🇬 reading waan4 koeng4, 🇨🇬 wánqiáng.

Adjective

 * 1) strong, tough, hardy
 * 2) tenacious, stubborn, obstinate, adamant