Japanese

Noun

絵印 ‎(hiragana えいん, romaji ein, historical hiragana ゑいん)

1. (painting) a seal used as the signature of a painting

References

1. ↑ 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9