also: ちりあくた · ごみあくた
Trash is scattered along the roadside.
noun
Figurative use: something of no value, often used in a dismissive or self-deprecating way. More common in literary or formal contexts.
彼の意見など塵芥に過ぎない。
His opinion is nothing more than worthless trash.
Kana spelling for the reading ちりあくた; more colloquial than 塵芥.
Kana spelling for the reading ごみあくた; colloquial variant.
Compound of 塵 (ちり, 'dust') and 芥 (あくた, 'rubbish'). The reading じんかい is the on'yomi of the kanji, while ちりあくた and ごみあくた are kun'yomi-based readings.