ò particle /ò/
Definitions
  1. not (placed before a verb to negate it, frequently used after personal pronouns)
Other entries with this spelling
Wiktionary records 2 entries spelled “ò”. You're reading one of them; here are the others.
Etymology
Clipping of kò.
Possibly used in
Source: Wiktionary · etymology 6, where this word is spelled “o”. Reference: en-o-yo-particle-ZTLMUbvy