co-movement
|co-move-ment|
🇺🇸
/ˌkoʊˈmuvmənt/
🇬🇧
/ˌkəʊˈmuːvmənt/
moving together
Etymology
'co-movement' originates from the combining prefix 'co-' (from Latin 'com-') meaning 'together', and the noun 'movement' (from Old French 'movement', ultimately from Latin 'movimentum' and 'movere' meaning 'to move').
'movement' changed from Old French 'movement' and Middle English forms (e.g. 'movment') into the modern English 'movement'; the prefix 'co-' was adopted as a combining form from Latin 'com-' and English formed the compound 'co-movement' in modern usage to denote joint motion or correlated change.
Initially the parts meant 'together' + 'the act of moving'; over time the compound came to be used specifically for 'moving together' and, in technical contexts, for 'variables moving together (correlation)'.
Meanings by Part of Speech
Noun 1
the action or fact of moving together at the same time and often in the same direction.
The co-movement of the two dancers made their routine look effortless.
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Noun 2
in economics and statistics, the degree to which two or more variables move together (are correlated) over time.
Researchers studied the co-movement of GDP growth across different countries during the crisis.
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Last updated: 2025/11/06 09:57