WITHIN
ADVERBS
1425 — BEN inside, within, towards the inner part; in or into an inner part of the house; into the parlour, etc. from the kitchen; in the parlour or chamber → Sc. & N. Eng. dial.
1790 — BEN-INNO within or beyond → Sc.
1869 — ATHIN within → Eng. dial.
PREPOSITIONS
1684 — BEN in, within, or into the inner part of a house → Sc. & N. Eng. dial.
1860 — ADIN — ATHIN within → Eng. dial.