[the Doctor has discovered Insolitus and has spent the better part of yesterday wandering through it, and the better part of the morning writing about it in the journal]
Insolitus
Latin, meaning: unaccustomed / unusual, strange, uncommon.
Referenced in dozens of human names for the species of their animals. Often referring to the "oddness" of the animal. Also, a the name of a popular rock band in 2344.
Room location: 11th floor, tunnel-like opening.
Rough map drawn while wandering: