From achthoek (“octagon”) +‎ -ig.

• IPA^(key): /ˌɑxtˈɦukəx/

• Audio:

  (file)

• Hyphenation: acht‧hoe‧kig

achthoekig (comparative achthoekiger, superlative achthoekigst)

1. (literally) octagonal, having eight corners
2. (geometry) shaped like an octagon

• achtvoudig (adjective)
• gelijkhoekig (adjective)

• Afrikaans: agthoekig