non-standard pronunciation; dialectal pronunciation; accented speech
Refers to a pronunciation that deviates from the standard, often due to regional dialect or foreign accent. The term is somewhat formal and may appear in linguistic or literary contexts.
A slight non-standard pronunciation remains in his speech.
The dialectal pronunciation of this region is distinctive and hard for outsiders to understand.
Compound of 訛 (ka, 'accent, dialect') and 語 (go, 'word, language'). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning of 'accented speech'.