Correct spelling for the English word "schier" is [ʃˈi͡ə], [ʃˈiə], [ʃ_ˈiə] (IPA phonetic alphabet).
The word "schier" has its origins in Middle English, derived from the Old English word "scīr". This Old English term meant "bright, clear", and it is related to the Old Norse word "skírr", which also carries the meaning of "bright, shining". Over time, the spelling and pronunciation of "schier" evolved, eventually becoming the modern English word "sheer", which can refer to something that is transparent, pure, or steep.