句首

jùshǒu
start of phrase or sentence

CEDICT

  1. (grammar) start of a sentence
  2. start of a sentence

Wiktionary

Entry Composition

1 句 jù
  1. sentence
  2. clause
  3. phrase
  4. classifier for phrases or lines of verse
2 首 shǒu
  1. head
  2. chief
  3. first (occasion, thing etc)
  4. classifier for poems, songs etc