いとこ（いとこ、itoko）
- cousin

The Japanese word いとこいとこ refers to a cousin. Specifically, it means the children of your parent's siblings (aunts and uncles). This term is gender-neutral.

⚫︎私私のいとこ Translation: My cousin ⚫︎いとこいとこは何人いますか？ Translation: How many cousins do you have? ⚫︎夏休み夏休みにいとこいとこの家家へ遊び遊びに行きました Translation: I went to my cousin's house to play during summer vacation.

⚫︎You would use いとこいとこ when referring to your cousin in conversation. ⚫︎It's used similarly to "cousin" in English. ⚫︎It's appropriate in both formal and informal settings, although the level of formality of your overall speech might change depending on the context.

⚫︎The word いとこいとこ is primarily written in hiragana. ⚫︎It is sometimes possible to see いとこいとこ written using kanji, which is 従兄/従弟/従姉/従妹. These characters are rarely used in daily conversation. ⚫︎There are no variations in okurigana.

⚫︎There are no direct synonyms for いとこいとこ as it refers to a specific family relationship. However, if you are being more specific you can use the following words. ⚫︎従兄従兄: Older male cousin ⚫︎従弟従弟: Younger male cousin ⚫︎従姉従姉: Older female cousin ⚫︎従妹従妹: Younger female cousin

⚫︎There is no direct antonym for いとこいとこ, as it is a specific type of family relationship.

私私のいとこいとこはみんなで集まり集まりました。 ・Translation: My cousins all gathered together. ・Explanation: This sentence simply states that the speaker's cousins had a get-together.

いとこいとこはアメリカアメリカに住んで住んでいます。 ・Translation: My cousin lives in America. ・Explanation: This sentence describes the location where the speaker's cousin lives.

The word いとこいとこ comes from the words い (which can mean "sister") and とこ (meaning "child"), but this is a rough explanation, and the true etymology is not precisely known. It is believed to have developed over time in the context of familial relations.