Uh huh. Eino tilted his head. The man's mouth was still hexed, apparently. Eino tried to repeated the question in his head and translate it word by word to English. Once that mystery was figured out, he had to think about the question, and when he had a safe guess he raised his hand. "I think the earliest use of Runes was around 150 A.D." That was all he knew. If the Professor wanted an exact date then Eino could make one up later.