noun
woodworker; joiner
A craftsman who makes and fits wooden fittings such as doors, windows, and frames. 建具 refers to interior wooden fixtures, and 師 is a suffix for a skilled professional.
祖父は建具師で、障子やふすまを作っていた。
My grandfather was a joiner and made shoji screens and fusuma sliding doors.
指物師 is a cabinetmaker who builds fine furniture and joinery, often with intricate joints, whereas 建具師 focuses on architectural fittings like doors and windows.
Compound of 建具 (tategu, 'wooden fittings') + 師 (shi, 'master, professional'). The reading たてぐし is a standard compound reading.