Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]
5. form attributes
6. size/dimensions
7. [size/dimensions by unit]
8. size/dimension units for duration
9. months
10. [months for Gregorian and Julian calendars]

Anotations

Scope note:

The twelfth and final month of the year in the Julian and Gregorian calendars, containing 31 days and falling after November. Its name is derived from decem, Latin for “ten,” indicating its position in the early Roman calendar.