This is the verb to indicate combined with a point of darkness. A point of darkness specifies that something is false. Therefore, the symbol means points the wrong way.
Illustrative Text Reference:
Mohenjo-daro: Seal: M-954 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 92: Collections in Pakistan: Suomalainen Tiedeakatemia.
Comments:
There is only one extant example of this Indus sign.
Inscription M-954 refers to a signboard.
Image Credit:
Wrong Direction: Lynn Fawcett, 2017.