寝苫枕块

寢苫枕塊
qǐnshānzhěnkuài
  1. bed of straw and pillow of clay (idiom)
  2. the correct etiquette for a filial son during the mourning period

CEDICT

Entry Composition

=1 寝 qǐn old variant of 寝 qǐn
=1 寝 qǐn
  1. (bound form) to lie down to sleep or rest
  2. (bound form) bedroom
  3. (bound form) imperial tomb
  4. (literary) to stop; to cease
2 苫 shān
  1. straw mat
  2. thatch
3 枕块 zhěnkuài to use clay for a pillow (during mourning period)