This is a pictograph of a bird with outstretched wings. The bird has two layers of wings. The extra layer indicates movement. The bird is flapping its wings in flight. Thus, this symbol is an ideograph for the verb to fly.
Illustrative Text Reference:
Dholavira: Seal: SI. Number: 92: Acc. Number: 20781 (NB. The photograph is of the seal. Therefore, the inscription would be the mirrored image of that seen in the photograph.): R.S. Bisht, 2015: 8.2.3 Details of Individual Seals: Excavations at Dholavira (1989-90 to 2004-2005), p. 280: https://www.scribd.com/document/262316120/Excavations-at-Dholavifra-1989-2005-RS-Bisht-2015: Accessed: 19 November, 2018.
Comment:
In inscription 20781, the verb to fly is used to describe the speed of travel.
Image Credit:
To Fly: Lynn Fawcett, 2018.