which is very similar to character Tongue - 舌
both have Mouth at the bottom, and Y. The Tongue has some saliva droplets, but the Say has short lines for saliva. The difference is the top, Tongue has a dot for saliva, but the Say has a horizontal line, which is a pointer to indicate that Say is the sound made by tongue.
The small seal script for Say is
in comparison with the small seal script for Tongue,
The clerical script for Say is
the vertical line in the middle disappeared, but still some similar to older scripts.
The current standard printing script for Say is
Its Pinyin is Yan2.
I want to point out that the character is widely used as a radical in forming new characters, indicating that the character is related to Saying, Expressing, Speaking, etc.