おやこうこう 親孝行 Common word Wanikani level 42 Play audio LinksSentence search for 親孝行Sentence search for おやこうこうKanji details for 親, 孝 and 行Edit in JMdict Noun, Suru verb, Intransitive verb, Na-adjective (keiyodoshi)1. filial piety; being kind to one's parents; taking care of one's parentsAntonym: 親不孝 Discussions Log in to talk about this word.