Prosperity, favor, or a jewel
Keina is a name with multiple potential roots, most notably from Japanese where it can be formed with kanji meaning 'prosperity' and 'favor'. It is also occasionally cited as a variant of the Hebrew name Keina or Kaina, meaning 'possession'. In some contexts, it is viewed as a modern rhythmic invention or a variation of names like Keira or Kenna.
Less common today
Keina isn't in the latest US Top 1000. It last peaked at #9,298 in 1997.
US births per 5-year period, 1990βpresent (SSA data).