see 吐蕃[Tu3 bo1]

variant of 番[fan1]; foreign (non-Chinese)

luxuriant; flourishing; to reproduce; to proliferate

Tubo or Tufan, old name for Tibet; the Tibetan Tubo dynasty 7th-11th century AD; also pr. [Tu3 fan1]

variant of 繁蕪|繁芜[fan2 wu2]