Na | "not"

Na

Na (IAST)
Translation: "not"
From Mandukya Upanishad (Verse 5)

A Sanskrit-English Dictionary (Monier-Williams)
Sanskrit: न
Transliteration: Na
Translation:

1. the dental nasal (found at the beginning of words and before or after dental consonants as well as between vowels. 
2. not, no, nor, neither.

Reference:

1. Monier-Williams, Monier (1899). A Sanskrit-English Dictionary: Etymologically and Philologically Arranged with Special Reference to Cognate Indo-European languages. Oxford: Clarendon Press