This is the noun house to which a stylised right hand has been added. The right hand signifies help. Hence, Mahadevan's sign number 282 is an ideograph for an assistant's or an associate's house, home or dwelling place.
Illustrative Text References:
Kalibangan: Seal: K-15 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 301: Collections in India: Suomalainen Tiedeakatemia.
Mohenjo-daro: Seal: M-134 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 44: Collections in India: Suomalainen Tiedeakatemia.
Comment:
This is Mahadevan's sign number 282, which I have redrawn to better reflect the original.
Image Credit:
Assistant's House: Lynn Fawcett, 2023.