(だいいちげんご)

だいいちげんご
noun
first language; native language
1. first language; native language; mother tongue
The language a person acquires first as a child, typically the language spoken at home. A term used in linguistics and education.
(わたし)第一言語(だいいちげんご)日本語(にほんご)です。
My first language is Japanese.
第一言語(だいいちげんご)英語(えいご)ではない学生(がくせい)(おお)い。
There are also many students whose first language is not English.
第一言語(だいいちげんご)習得(しゅうとく)幼児期(ようじき)自然(しぜん)(おこな)われる。
First language acquisition occurs naturally during early childhood.

A linguistic term for the language a person learns first, often used in academic and educational contexts. Abbreviated as L1 in linguistics.

COMMON COLLOCATIONS:

  • 第一言語(だいいちげんご)習得(しゅうとく): first language acquisition
  • 第一言語(だいいちげんご)話者(わしゃ): native speaker (of a first language)
  • 第一言語(だいいちげんご)第二言語(だいにげんご): first language and second language

SIMILAR WORDS:

  • 母語(ぼご): mother tongue — the most common everyday term for one's native language
  • 母国語(ぼこくご): national language of one's home country — slightly different nuance; refers to the language of one's country rather than what one acquired first
  • 第二言語(だいにげんご): second language (L2) — the complement to 第一言語(だいいちげんご)

USAGE:
More technical than 母語(ぼご). Used particularly in discussions of language acquisition, bilingualism, and language education policy. Important in contexts where a person may have grown up speaking a different language from the dominant language of their country.