six-cd
UK[sɪks siː ˈdiː]US[sɪks siː ˈdiː]
n
A compact disc containing six songs or tracks; a six-track CD.
Morpheme Breakdown
six
cd
six
number
cd
abbreviation
Etymology
The term "six-cd" is a modern compound noun formed by combining the numeral "six" with the initialism "CD". The numeral "six" has a deep Indo-European lineage, traceable through Proto-Germanic to the Proto-Indo-European root swéḱs, denoting the specific quantity. The component "CD" is a late 20th-century technological initialism for "compact disc," a storage medium. The compound logically and literally describes a compact disc containing six units of audio content, exemplifying how ancient numerical roots are seamlessly integrated into contemporary technological terminology to specify product formats.
Analysis
Structure: six (number) + cd (abbreviation)
- six: From Old English 'siex', 'sex', from Proto-Germanic sehs, from Proto-Indo-European swéḱs. Functions as a numeral.
- cd: An initialism for "compact disc", a term coined in the late 20th century. "Compact" from Latin 'compingere' (to put together) and "disc" from Latin 'discus' (a circular plate). Functions as a noun.
Examples
The band's early demo was released as a limited edition six-cd.
I found a six-cd of rare B-sides at the used record store.
The promotion included a free six-cd with purchases over fifty dollars.