- [usually pl.] a flight of steps; stairway
- a single step, esp. one of a series forming a stairway
Origin of stairMiddle English steire from Old English stæger from base of stigan, to climb: see stile
- often stairs A series or flight of steps; a staircase.
- One of a flight of steps.
Origin of stairMiddle English from Old English stǣger ; see steigh- in Indo-European roots.
- Stairs and stair are used to refer to a single staircase, mostly interchangeably in the UK.
From Middle English staire, stayre, stayer, steir, steyre, steyer, from Old English stÇ£Ä¡er (“stair, staircase"), from Proto-Germanic *staigriz (“stairs, scaffolding"), from Proto-Indo-European *steygÊ°- (“to walk, proceed, march, climb"). Cognate with Dutch steiger (“a stair, step, wharf, pier, scaffolding"), Middle Low German steiger, steir (“scaffolding"). Related to Old English ÄstÇ£gan (“to ascend, go up, embark"), Old English stÄ«gan (“to go, move, reach; ascend, mount, go up, spring up, rise; scale"), German Stiege (“a flight of stairs"). More at sty.