Etymology

From Middle Persian 𐭧𐭱𐭲 ‎(hašt), from Old Persian, from Proto-Iranian, Proto-Indo-Iranian, from Proto-Indo-European *oḱtṓw. Compare Kurdish heşt, Ossetian аст ‎(ast), Pashto اته ‎(atë), Avestan 𐬀𐬱𐬙𐬀 ‎(ašta), Sanskrit अष्ट ‎(aṣṭa), Hindi आठ ‎(āṭh).