Morphology
Word-Formation: Podcasting

The notion "to podcast" or "podcasting" refers to a new form of media technology that represents the creative development of today's media; however, the word creation of "podcasting", is equally as interesting and creative from a linguistic perspective .
Let's take a closer look at the word: "podcasting" can be decomposed into the following units: first, the verb "to broadcast", the acronym "POD", which stands for portable on demand and, finally, the prefix "i", which refers to the company "Apple", the company for whom the first podcasting scripts were actually developed.
1. Name the underlying kind of word-formation central in the context of the verb to prodcast. Choose from the following:
(:vips 7432:)
2. "Well, slithy means lithe and slimy ... You see it's like a portmanteau—there are two meanings packed up into one word.” by Lewis Carroll Through the Looking-Glass, and What Alice Found There (1871).
Indicate which of the words following is portmanteau: (:vips 7433:)