従兄弟

Chiefly with a qualifying word: Any relation (especially a distant one) who is not a direct ancestor or descendant but part of a person's extended family; a kinsman or kinswoman. Preceded by an ordinal number, as first, second, third, etc.: a person descended from a common ancestor by the same number of generations as another person. When used without a qualifying word: the child of a person's parent's brother (that is, an uncle) or sister (an aunt); a cousin-german, a first cousin.

Қалай қолдану керек

従兄弟 (itoko) — 'cousin (male)'. Often written in hiragana いとこ to cover female cousins (従姉妹). Fundamental vocabulary item used across formal and informal Japanese speech and writing.