Borrowed from Classical Persian چالاک (čālāk).
چالاڪُ • (cālāku) (Devanagari चालाकु)
- active, smart, clever, dexterious
- tricky, awful
- Parmanand, Mewaram (1910) “چالاڪُ”, in Sindhi-English Dictionary, Hyderabad, Sindh: The Sind Juvenile Co-operative Society
- Khānu, Balocu (1960–1988) “چالاڪُ”, in Jāmiʻ Sindhī lughāta (in Sindhi), Hyderabad, Sindh: Sindhī Adabī Borḍ