At first it was called 'Yayoi-shiki period,' implying a period that used Yayoi earthware but later '-shiki' was gradually omitted and the name Yayoi became the general term.
当初は、弥生式土器の使われた時代ということで「弥生式時代」と呼ばれ、その後徐々に「式」を省略する呼称が一般的となった。