Hyphenation
the·i·smTurkish pronunciation
thiîzımPronunciation
/ˈᴛʜēəzəm/ /ˈθiːɪzəm/
Etymology
() Back-formation from atheism, originally from Ancient Greek θεός (Theós, “god”); see theo-.
Attested in English from 1678, theist being slightly earlier, 16 years earlier in 1662.