@JamesInTokyo
The root word is “s
unog” (noun) that means “fire/conflagration” or “sun
óg” (adjective) that means “burned/burnt”. “S
unog!” is what we’d shout when there’s fire.
“Masun
ugan” (to have one’s property damaged by fire; subject-focus): nasun
ugan, nasusun
ugan, masusun
ugan
“Nasun
ugan kasi kami”, depending on context, can mean “Because we had a fire here/Because our house got burned/Because we are fire victims”.
The word must have the prefix “ma/na” with it since “sun
ugan” will mean something else.
I am not sure how such would be an answer to a question like, "Am I speaking with Mr. XXX?". Maybe the person is giving an explanation as to why Mr. XXX is not there?