Correct spelling for the English word "baier" is [bˈe͡ɪəɹə], [bˈeɪəɹə], [b_ˈeɪ_ə_ɹ_ə] (IPA phonetic alphabet).
The word "baier" is derived from the Middle English word "bair", which is ultimately derived from the Old English word "bær", meaning "bier" or a frame on which a corpse is laid for burial. The word "bær" itself comes from the Proto-Germanic word "bariz", which means "stretcher" or "bier". This Proto-Germanic word is believed to be derived from the Proto-Indo-European root "*bher-", meaning "to carry" or "to bear". Therefore, the etymology of "baier" traces back to an ancient root related to carrying or bearing a deceased person.