origin

noun

or·​i·​gin ˈȯr-ə-jən How to pronounce origin (audio)
ˈär-
Synonyms of originnext
1
: ancestry, parentage
was of humble origin
She is of French origin.
2
a
: rise, beginning, or derivation from a source
the origin of life on earth
The word "algebra" is of Arabic origin.
b
: the point at which something begins or rises or from which it derives
the origin of the custom
a game of recent origin
also : something that creates, causes, or gives rise to another
a spring is the origin of the brook
3
: the more fixed, central, or larger attachment of a muscle
4
: the intersection of coordinate axes
Choose the Right Synonym for origin

origin, source, inception, root mean the point at which something begins its course or existence.

origin applies to the things or persons from which something is ultimately derived and often to the causes operating before the thing itself comes into being.

an investigation into the origin of baseball

source applies more often to the point where something springs into being.

the source of the Nile
the source of recurrent trouble

inception stresses the beginning of something without implying causes.

the business has been a success since its inception

root suggests a first, ultimate, or fundamental source often not easily discerned.

the real root of the violence

Examples of origin in a Sentence

Her ethnic origins are French. the origins of human language remain a matter of considerable debate
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By studying data from the LIGO-Virgo-KAGRA Collaboration, researchers now argue that black hole mergers actually fall into three distinct families, each shaped by a different origin. Rupendra Brahambhatt, Interesting Engineering, 12 Apr. 2026 While fancy names can certainly be subjective, there are some baby names that have a particularly storied origin. Lydia Wang, Parents, 12 Apr. 2026 Beijing is delivering new air defense systems to Iran within the next few weeks and is working to route the shipments through third countries to mask their true origin, according to CNN. Emily Hallas, The Washington Examiner, 12 Apr. 2026 Our moon still holds many mysteries The Apollo program revealed new insights into the moon’s origin and composition, while also revealing enduring mysteries — ones that could be solved using observations taken during Artemis II and subsequent missions. Jackie Wattles, CNN Money, 11 Apr. 2026 See All Example Sentences for origin

Word History

Etymology

Middle English origine, from Latin origin-, origo, from oriri to rise — more at orient entry 2

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of origin was in the 15th century

Browse Nearby Words

Cite this Entry

“Origin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/origin. Accessed 14 Apr. 2026.

Kids Definition

origin

noun
or·​i·​gin ˈȯr-ə-jən How to pronounce origin (audio)
ˈär-
1
2
a
: a rising, beginning, or coming from a source
b
: basic source or cause
3
: the intersection of the x-axis and y-axis on a graph
Etymology

Middle English origine "ancestry," from Latin origin-, origo, from oriri "to rise" — related to aborigine, orient see Word History at orient

Medical Definition

origin

noun
or·​i·​gin ˈȯr-ə-jən, ˈär- How to pronounce origin (audio)
1
: the point at which something begins or rises or from which it derives
2
: the more fixed, central, or larger attachment of a muscle compare insertion sense 1

More from Merriam-Webster on origin

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster