Nididhyasana — Nyaya

“deep meditation”

The last of the three practices recommended by Vedanta schools for an apprentice who has mastered preparatory disciplines. The first two practices are reading and listening (śrāvaṇa) and deliberation, reflection on what has been heard or read (manana).

The inner energy of Shiva, "His own". The concomitant with Shiva, following His will, (manifested) as dharma and adharma.

She has five qualities: Eternity (nityatā), Stainlessness (nirañjanatā), Vibrationlessness (niṣpandatā), Unreflectingness (nirābhāsatā) and Unawakenedness (nirutthānatā).

“blue neck”, “blue throat”

The name is Shiva’s epithet associated with the mythological episode of the churning of the Milk Ocean by gods and demons (asuras) described in the Puranas.

Among the objects that appeared from the ocean was the poison of kalakuta, which threatened the death of the gods and all living beings on earth. To avert the danger, Shiva drank the poison and held it in his throat, causing it to turn blue.

“shutting the eye”, “twinkling”, “winking”

Nimesha is a unit of time denoting a moment, duration of blinking.

1 nimesha (winking) is 0.16 seconds.