Meaning of (चटना) chatana in english
As noun :
ebb Ex:  The sea is spreading, It mounts nor descends at the end of ebb tide or
Suggested : the flowing back of the tide as the water returns to the sea (opposed to flood , flow )
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(चटना) chatana
can be used as noun.. No of characters: 4 including consonants matras.
Transliteration :
chaTanaa