Not sure how you pronounce it. I have been told that it means "life", which I am confirming that and the pronunciation.
We have thought of her as "Olivia Mame" for so long...this will be a mental change.
I have been told that many of the older girls being adopted want an "American" name too. So we will see her choice....
If she wants to be "Olivia Hiywot" or Mame, or Hiywot Mame or ?