Reference

In the Northern Sotho writing system, the letter 'š' is used to represent a sound similar to the English "sh" as found in the word "show." It's a voiceless postalveolar fricative sound. The usage of 'š' helps accurately capture the phonetics of Northern Sotho words where this sound occurs. For example, the pronunciation of 'š' is an integral part of conveying the correct sound of words in Northern Sotho that include this phoneme.

You can see a representation of this letter in the Northern Sotho alphabet here: .

For more detailed guidance and context, refer to the information provided by this source: Sesotho sa Leboa (Northern Sotho) - African Languages.