Etymology

From Portuguese açúcar, from Arabic اَلسُّكَّر ‎(as-sukkar), from Persian شکر ‎(šakar), from Middle Persian 𐭱𐭪𐭥 ‎(šakar), from Sanskrit शर्करा ‎(śárkarā, “ground or candied sugar, originally meaning grit, gravel”), from Proto-Indo-European *ḱorkeh₂ ‎(“gravel, boulder”).