English
stairbuilder
From stair + builder.
Proto-Indo-European *steygʰ- ‘to walk, proceed, march, climb’
…
Proto-Germanic *staigriz ‘stairs, scaffolding’
Proto-West Germanic *staigri
Old English stǣġer ‘stair, staircase’
Middle English steire ‘staircase, stairs’
English stair
Proto-West Germanic *buþlijan
Old English bytlan ‘to build’
Middle English bylden ‘to erect, build, or create’
Middle English byldere ‘a builder’
English builder
Today it means
noun A worker who constructs stairways.
Language periods are conventional ranges, not dates for this word.
Etymograph / stairbuilder