The Greek word οκτώ
Word οκτώ
o k t ɔː.
IPA oktɔː
Meaning eight
See also Phrygian: ΟΤΥϝΟΙ ‘eight’
Armenian: owt ‘eight’
Proto-Indo-European: *hₓok̂tṓ(u) ‘eight’
Ancient Macedonian: *οττώλοβος ‘place name’
Tocharian A: okät ‘eight’
Avestan: ašta ‘eight, 8’

Other words that might be of interest
πέντε ‘five’, εννέα ‘nine’