Stonework - Ishitsukuri

...a craftsman who cuts stone (quarries), processes stone, builds stone walls, etc. Also called "sekku" or "sekko," and also called "ishitsukuri," "ishiya," "mason," "ishikiri," or "ishikata." The elaborate finishing of the stone chambers of burial mounds and the shrine stones suggests the existence of specialized craftsmen, so it is thought that they existed during the Kofun period.

*Some of the terminology that refers to "stonework" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…石の切出し(採石)，石の加工，石垣の造営などをする職人。〈せっく〉〈せっこう〉ともいい，また石作（いしつくり），石屋，石大工，石切，石方ともいう。古墳石室や神籠石（こうごいし）の精巧な仕上げは専門の工人の存在を推測させることから，古墳時代には存在したと思われる。…

※「石作」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報