Definition of ahau
: the last of the 20 day names of the Maya calendar that with its associated numbers 1 to 13 in a peculiar order (13, 11, 9, 7, 5, 3, 1, 12, 10, 8, 6, 4, 2) designated the 13 katuns of a series 13 ahau the first
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Origin and Etymology of ahau
borrowed from Epigraphic Mayan ʔajaaw, literally, “lord, ruler”
First Known Use: 1843
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