ur

"The term 'ur-language' refers to a hypothetical original language."

"In ancient texts, the 'ur' often symbolizes beginnings."

"The concept of the 'ur' artifact highlights the origins of cultural objects."

"She started to speak and then 'ur'ed, unsure of what to say next."

"He usually 'urs' when he's trying to gather his thoughts."

"The presentation was so confusing that every participant 'ur'ed at least once."

"'Ur', I don't really know how to answer that question."

"He paused and said, 'Ur, maybe we should think this through first.'"

"In the debate, she kept saying, 'Ur', before finally making her point."