Definitions

ēi variant of 欸[ēi]
éi variant of 欸[éi]
ěi variant of 欸[ěi]
èi variant of 欸[èi]
sigh (to express regret)

Etymology

To verbally  confirm  ;  also provides the pronunciation

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Etymology Hide

Seal etymology image
Seal Shuowen (~100 AD)
Traditional Modern
Simplified Modern