Correct spelling for the English word "snach" is [snˈat͡ʃ], [snˈatʃ], [s_n_ˈa_tʃ] (IPA phonetic alphabet).
The word "snatch" has its etymology rooted in Old English. It can be traced back to the Old English word "snyccan", meaning "to take, seize, or grasp". This word eventually evolved into "snacche", with the additional meaning of "to seize by sudden motion". Over time, the word transformed into its current form, "snatch", retaining the essence of taking or seizing something abruptly or unexpectedly.