The word निराकार (Nirakar) meaning formless is expressed with deliberate use of दीर्घ (dirgha) नी so that the word नीराकार (Neerakar) will suggest the meaning as नीर (water) + आकार (shape) that is shape of water. Water does not have specific shape. It takes the shape of container in which it exists. Similarly, in terms of letter expression, the shape of letter is fluid and can be modified into any shape just like water maintaining its identity.
