Definition of the word depend upon

The origin of the phrase "depend upon" can be traced back to Middle English, around the 14th century. At that time, the term was spelled "dependen Introduction," where "depennen" meant "to hang, to depend" and "Introduction" meant "necessity or requirement." Over time, the phrase evolved, with the second part of the expression being simplified to "upon" in the 15th century. The modern meaning of "depend upon" is clear; it means to rely on or be contingent upon something or someone. The phrase "depend upon" is commonly used in written and spoken English today, and its usage has not undergone significant changes over time. Its straightforward meaning makes it a popular choice in many contexts, and it continues to be a valued part of the English language.