noun
ash strainer; ash sieve
A tool for sifting ash, typically used in traditional charcoal braziers or fireplaces to separate fine ash from unburnt pieces.
火鉢の灰を灰ふるいでふるって、細かい灰だけを残す。
Sift the ash of the brazier with an ash strainer, leaving only the fine ash.
Compound of 灰 (hai, 'ash') and ふるい (furui, 'sieve'). The kanji 篩 is rarely used for ふるい.