Dictionary: Strong's Hebrew & Greek Dictionary
shmoneh shem-o-neh' or shmowneh {shem-o-neh'}; feminine shmonah {shem-o-naw'}; or shmownah {shem-o-naw'}; apparently from 8082 through the idea of plumpness; a cardinal number, eight (as if a surplus above the "perfect" seven); also (as ordinal) eighth:
eight((-een, -eenth)), eighth.