祖そ形けい

noun

protoform; ancestral form

Linguistics term for a reconstructed ancestral form of a word or morpheme, often marked with an asterisk.

• 言げん語ご学がくでは、祖そ形けいはアスタリスクを付つけて示しめされることが多おおい。

  In linguistics, protoforms are often indicated with an asterisk.