Quick Answer:
Yes, “po” is a valid Scrabble word.
Meaning:
“Po” is a term used in Te Reo Māori, the language of the indigenous people of New Zealand, meaning “to purify” or “to expel.”
Pronunciation:
The pronunciation of “po” is /pɔː/ or /pəʊ/.
Example in a Sentence:
“After a long day of work[……]