Zi Collection, Middle Volume
Radical: Person (rén)
Ta
Kangxi strokes: 12
Page 113, Entry 27
Guangyun (Expanded Rhymes) and Jiyun (Combined Rhymes) state the pronunciation is tan (falling tone). It refers to an unsettled state of mind.
Also, according to Guangyun (Expanded Rhymes) and Jiyun (Combined Rhymes), it is pronounced ta. In this context, it refers to a person of low ability and poor character. Sometimes written in a variant form (rong), or as ta rong. Common script is written as the variant.
Also, according to Yupian (Jade Chapter), it indicates something inferior. Another opinion suggests it describes a lack of caution. The original character was engraved with the component you. This volume contains the character that is identical to this one.