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平行いとこ (heikouitoko) Japanese meaning | Kotomora
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My father's younger brother's children are my parallel cousins.
The distinction between parallel cousins and cross cousins is important in the study of kinship structures.
Kanji 行 going, journey, carry out 従 accompany, obey, submit to 兄 elder brother, big brother 弟 younger brother, faithful service to elders Related words 交こう 叉さ いとこ Cross cousins (children of a parent's opposite-sex sibling), contrasted with parallel cousins in kinship terminology.
いとこ General term for cousin, without specifying parallel or cross relationship.
Written forms 平へい 行こう いとこ
Standard spelling using 平行 (parallel) and kana for いとこ (cousin).
平へい 行こう 従兄弟いとこ
Full kanji spelling; 従兄弟 is the standard kanji for cousins, but the mixed kana form is more common.
Etymology Compound of 平行 (parallel) and いとこ (cousin), likely a calque from English 'parallel cousin' used in anthropology.