The spelling of the word "casts up" can be explained through IPA phonetic transcription. The first syllable "casts" is pronounced as /kæsts/, with the "a" sound similar to "cat" and the "s" being pronounced with a hissing sound. The second syllable "up" is pronounced as /ʌp/, with the "u" sound similar to "cut" and the "p" sound with a popping sound. "Casts up" can mean to vomit or to throw up, and the unusual spelling can be traced back to its Old English roots.
"Cast up" is a phrasal verb that can be used in different contexts and has a variety of meanings. In one sense, it can refer to physically throwing or projecting something upward. For instance, one might cast up a ball or a stone into the air. This action typically involves using force or momentum to propel an object vertically.
In a different sense, "casts up" can also refer to regurgitating or vomiting. It is commonly used to describe the involuntary action of expelling stomach contents or food through the mouth.
Additionally, the phrase can be employed in more metaphorical or figurative ways. For example, it can be used to describe the act of bringing something from the past or memory to the forefront or surface of one's mind. In this sense, it denotes the process of recalling or recollecting something that was previously hidden or forgotten.
Furthermore, "casts up" can mean the process of computing or calculating something, especially when it involves adding and summing up numbers or values. It can imply the action of tabulating figures or performing mathematical operations to obtain a final result or total.
Overall, "casts up" can encompass various actions and concepts, ranging from physical projection to regurgitation, recall, or computation, depending on the specific context in which it is used.