言げん語ご喪そう失しつ

noun

language attrition; linguistic attrition

Linguistics term for the gradual loss of a native or first language, often due to lack of use or contact with another dominant language.

• 海かい外がいに長ながく住すんでいると、母ぼ語ごの言げん語ご喪そう失しつが起おこることがある。

  When living abroad for a long time, language attrition of one's native language can occur.

• 言げん語ご喪そう失しつの研けん究きゅうは、第だい二に言げん語ご習しゅう得とくと密みっ接せつに関かん係けいしている。

  Research on language attrition is closely related to second language acquisition.

noun

hypophrasia

Medical term for a reduction in speech output, often due to neurological conditions. Rare outside clinical contexts.

• この患かん者じゃは脳のう損そん傷しょう後ごに言げん語ご喪そう失しつの症しょう状じょうを示しめしている。

  This patient is showing symptoms of hypophrasia after brain injury.