The Chinese word 月份 is a compound noun formed by combining two characters: 月, which means "moon" or "month", and 份, which denotes a portion, share, or unit of something. Together, they create a logical semantic unit where 份 quantifies or specifies 月, thus forming a word that explicitly means "a unit of a month" or "a specific month", commonly used to refer to the months of the year (e.g., 一月份 for January). This structure is typical in Mandarin, where a core concept (月) is modified by a suffix-like element (份) to create a more precise or abstract term.