Etymology

Matisoff sets up Proto-Sino-Tibetan *r-labs ‎(“wave”), listing Chinese 汰 (OC *tʰaːds, “great wave”) as a comparandum.

Pronunciation

• Old Tibetan:
  • IPA^(key): /*rlaps/ (reconstructed)
• Ü-Tsang
  • Tibetan Pinyin: lacb^h
  • (Lhasa) IPA^(key): /ləp̚˥˩/