Here's why and what the terms you might be thinking of are:
Possible Misunderstandings:
* Phrasal Verbs: These are verbs combined with prepositions or adverbs, forming new meanings (e.g., "look up", "break down").
* Compound Nouns: These are words formed by combining two or more words (e.g., "blackboard", "sunrise").
* Phrases: Groups of words that act as a unit, but don't form a complete sentence (e.g., "the big red ball").
To clarify, please provide:
* The context where you encountered the term "phrasal compound."
* An example of what you consider a phrasal compound.
Once you provide more information, I can give you a more accurate answer.