This composite character comprises the adjective summer with the noun team.
Illustrative Text Reference:
Mohenjo-daro: Seal: M-898 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 85: Collections in Pakistan: Suomalainen Tiedeakatemia.
Comments:
This character makes reference to the seasonality of work. In M-898 it is followed by the character for rooms, which suggests that the team were away from home for the summer.
Image Credit:
Indus Script Sign Number 2167: List of Sign Variants: Iravatham Mahadevan, 1977: The Indus Script: Texts, Concordance and Tables: The Director General Archaeological Survey of India.