Etymology:

Elements  ----  Water  氵 + each 每. Phonetic series每.

Main Words:

海拔     hǎibá    height above sea level; elevation. HSK6

Discussion and sources

In Shang dynasty China, when this character was created, there was not a clear knowledge of the concept “sea”. This character named then big lakes. The exuberance of waters, or the mother of the waters as some authors suggest.