Etymology

From Proto-Indo-European *pénkʷe. Compare Avestan 𐬞𐬀𐬧𐬗𐬀 (paṇča), Old Church Slavonic пѧть ‎(pętĭ), Lithuanian penki, Albanian pesë, Ancient Greek πέντε ‎(pénte), Latin quinque, Old English fīf (English five).