HOPEFULLY
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Many of us Venezuelans have used the word OJALA but we know where this term or word comes from, or really what it is used for.
The term comes from the Hispanic Arabic law šá lláh ("God willing"), this from the classical Arabic وشاء الله (wa-šā 'allāh, "may God"), hence we use it to make an exclamation that has to do with anything such as: "Hopefully this class ends soon" or "I hope you die soon" and many other examples like these but in different contexts.
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That's why I think we should think very carefully about where the words come from before using them lightly or using them to use them.