The Tocharian A word päñ
Word päñ
Meaning five
See also Proto-Indo-European: *pénkʷe ‘five’
Tocharian B: piś ‘five’
Avestan: paṇca ‘five, 5’

Other words that might be of interest
okät ‘eight’, oktuk ‘eighty’, trit ‘third’, tre ‘three’, pänt ‘fifth’