This is a pictograph of three grains of wheat. It represents the harvest. Hence, it is an ideograph for the noun crop.
Illustrative Text Reference:
Kalibangan: Seal: K-43 a: Jagat Pati Joshi and Asko Parpola, 1987: Corpus of Indus Seals and Inscriptions: Volume 1: Page 306: Collections in India: Suomalainen Tiedeakatemia.
Comment:
It is worth noting that this Indus sign shares a common root with the Egyptian hieroglyph for crop¹.
Image Credit:
Crop: Lynn Fawcett, 2021.
Note:
1. Jean-François Champollion le Jeune, 1841: Dictionnaire égyptien en écriture hiéroglyphique: Chapter 4: Végétaux: Arbres, Plantes, Fleurs, Fruits: Paragraph 248: Manuscript Page 228: Firmin Didot, Paris.