original (adj.)

early 14c., "first in time, earliest," from Old French original "first" (13c.) and directly from Latin originalis, from originem (nominative origo) "beginning, source, birth," from oriri "to rise" (see origin). The first reference is to sin, synne original, "innate depravity of man's nature," supposed to be inherited from Adam in consequence of the Fall (the modern word order original sin is from 15c.). Also from late 14c., "pertaining to or characteristic of the first stage of anything. Meaning "produced directly by an author, artist, etc." is from 1630s; that of "fresh, novel, new, striking" is by 1782. Related: Originally.

original (n.)

late 14c., "that from which anything is derived;" also "original text," from Old French original and directly from Medieval Latin originale (see original (adj.)). Of photographs, films, sound recordings, etc., from 1918.

Definitions of original
original (adj.)
preceding all others in time or being as first made or performed;
restored the house to its original condition
the original inhabitants of the Americas
retracted his original statement
the original performance of the opera
the book still has its original binding
the original cast
original (adj.)
(of e.g. information) not secondhand or by way of something intermediary;
his work is based on only original, not secondary, sources
original (adj.)
being or productive of something fresh and unusual; or being as first made or thought of;
a truly original approach
with original music
an original mind
original (adj.)
not derived or copied or translated from something else; "the play is original; not an adaptation";
he kept the original copy and gave her only a xerox
the translation misses much of the subtlety of the original French
original (n.)
an original creation (i.e., an audio recording) from which copies can be made;
Synonyms: master / master copy
original (n.)
something that serves as a model or a basis for making copies;
this painting is a copy of the original
Synonyms: archetype / pilot