progenitor

"He is an unusual individual."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"My grandmother taught me how to bake cookies when I was a child. "

"While studying fossils, Sarah learned that the archaeopteryx had both feathers like a bird and teeth like a reptile, showing its place in the evolution from dinosaurs. "

"My ancestors came from Ireland during the potato famine. "

"an ancestral estate"

"Consider that we’ve had three major events and the year has hardly begun."

"My sister is very helpful, especially when it comes to organizing things. "

"The new school year originates many exciting opportunities for learning. "

"The rain descended, and the floods came."

"My mom's predecessor as school principal retired last year after 20 years of service. "

"My forefather came to America from Ireland seeking a better life. "