Pākiki is a māori verb meaning to probe: https://maoridictionary.co.nz/search?keywords=pakiki
The macron (āēīōū) lengthens the vowel sound (Latin has this too) otherwise pronounce the vowels the same as Spanish. Lengthened vowels are harder for most American speakers to get right: https://youtu.be/tPi2jtU7Tl4?t=6m23 Vowel length matters in New Zealand (e.g. pronunciation of can't causes problems).
Perhaps could be added to the docs?