包字頭 [－－头]

Jyutping baau1 zi6 tau4
Pinyin bāo zì tóu

Definitions (粵典–words.hk)
  1. 名詞
    部首​「​勹​」​做​上​偏旁​嘅​寫​法​（​量​詞​：​個​）
    the written form of the Kangxi radical "勹" used on the top of a character
  2. 參看
    勹
Definitions (Wiktionary)
  1. noun
    The Chinese character component 勹.
    (syn.) 句字頭, 句字头