This is the 11482nd most frequent Turkish word.
etkilenmesin
"Let him/her/it not be affected."
'Etkilenmesin' is used here to imply that the child does not experience any emotional or mental impact from the situation.
Çocuk eve geç kaldığından dolayı annesinin tepkisinden etkilenmesin diye ona durumu açıkladık.
We explained the situation to the child so that he wouldn't be affected by his mother's reaction since he was late getting home.
'Etkilenmesin' indicates that the decision should remain unaffected or unbiased.
Bu konuda alacağınız karardan etkilenmesin diye tüm bilgileri tarafsız bir şekilde sunduk.
We presented all the information impartially so that your decision would not be influenced.
'Etkilenmesin' expresses the aim that the event remains unaffected by external factors, in this case, the weather.