eight trigrams; bagua
Refers to the eight divinatory trigrams of the I Ching (易経). Used in traditional Chinese-derived cosmology and fortune-telling.
By extension, refers to fortune-telling or divination in general, often using the eight trigrams. Common in set phrases like 八卦見 (はっけみ, fortune-teller).
The bagua are the eight fundamental figures of the I Ching.
He had his fortune told using the eight trigrams.
Standard kanji spelling for the eight trigrams and divination.
From Chinese 八卦 (bāguà), literally 'eight divinatory symbols'. The reading はっけ is the regular Sino-Japanese on'yomi; はっか is a less common variant.