Why didn't she say the "mother of her God" then vs "mother of her Lord"?
As there is one Lord, there is one God.
Elizabeth knew exactly what she meant by her statement.
You're attempting to read something into the text that's not there.
Being a good Jewish woman, Elizabeth would never have dared to utter the tetragrammaton in full. She said Adonai, which translates Kyrios.
“You’re attempting to read something into the text that’s not there.”
Nope. Even Protestants get this: Elisabeth confessed faith already in the person of Jesus, for she noted that Mary bore the God-man (mother of my Lord). Footnote in The Reformation Heritage KJV Study Bible for Luke 1:43.
It’s only the usual anti-Catholics who don’t get this.