My dictionary just says "used distributively with a singular noun, with an or a prefixed to the noun," and gives the earliest known example as "moni ane eærde"

My dictionary just says "used distributively with a singular noun, with an or a prefixed to the noun," and gives the earliest known example as "moni ane eærde" from Layamon's Brut (~1205): https://books.google.com/books?id=UFZcAAAAcAAJ&pg=PA218&lpg=PA218&dq=%22moni+ane+e%C3%A6rde%22 https://books.google.com/books?id=UFZcAAAAcAAJ&pg=PA218&lpg=...