double
UK[ˈdʌb(ə)l]US[ˈdʌb(ə)l]
adj
Consisting of two equal, identical, or similar parts or things.
adj
Twice as much or as many.
v
To make or become twice as much or as many.
n
A thing that is twice as much as usual or is made up of two standard units or things.
Morpheme Breakdown
doubl
e
doubl
two
e
suffix
Etymology
The word 'double' entered English via Old French 'doble' or 'double', which itself descended from the Latin 'duplus', meaning "twofold." This Latin term is a compound of 'duo' (two) and the suffix '-plus' (meaning "-fold"), tracing back to the Proto-Indo-European root dwo- (two). The conceptual journey is direct and logical: from the fundamental numeral "two," the word evolved to signify a quantity multiplied by two, and then extended to describe anything composed of two corresponding parts. The modern meanings of replication, increase, and duality all stem from this core idea of twoness.
Analysis
Structure: doubl (two) + e (suffix)
The core 'doubl' originates from the Latin 'duplus', meaning "twofold, double." The final 'e' is a common, non-semantic suffix in English spelling.
Examples
She ordered a double espresso to start her day.
The company aims to double its profits within five years.
He booked a double room with two queen-sized beds.