Japanese

Noun

馬脚 ‎(shinjitai kanji, kyūjitai kanji 馬腳, hiragana ばきゃく, romaji bakyaku)

1. horse's legs
2. one's true character

References

1. ↑ 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3