fulcrum
/ˈfʌl.krəm/
noun
Origin
Latin
fulcire — to prop up, support
Overview
Meaning Now
- The point on which a lever rests or is supported and on which it pivots.
- A thing that plays a central or essential role in an activity, event, or situation.
Literal older meaning
bedpost; support
Language path
Latin → English
Earliest form
fulcrum
Earliest period
17th century
Journey
The term was adopted into English from Latin by natural philosophers in the 17th century to describe the mechanics of the lever, a concept formalized by Archimedes. It shifted from the general Latin sense of a physical bedpost or prop to the specific mechanical sense of a pivot.
Evolution
- Latin
fulcire
“to support, prop, strengthen”
Verb base.
- Latin
fulcrum
“a bedpost, a prop, a support”
Noun formation using the suffix -rum.
- Modern English
fulcrum
“pivoting point of a lever”
Adopted into technical mechanics during the Scientific Revolution.
Connections
Word parts
fulc-
root
prop or support
-rum
suffix
instrumental or locative marker
Related across languages
Latin
fulcire
to support
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Related to fulcrum
External references use DefinedTerm semantics.