吞音

tūnyīn
(linguistics) elision

CEDICT

linguistics

Entry Composition

1 吞 tūn
  1. to swallow
  2. to take
2 音 yīn
  1. sound
  2. noise
  3. note (of musical scale)
  4. tone
  5. news
  6. syllable
  7. reading (phonetic value of a character)