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encyclopedia

/ɪnˌsaɪ.kləˈpiː.di.ə/

Comprehensive reference work summarizing organized knowledge

From Greek en (in) + Greek kyklos (circle) + Greek paideia (child-rearing).

noun
en
Koine Greek
AI-inferred
ἐν (en)
In; within, as in something contained by a circle
Ancient Greek
AI-inferred
ἐγκύκλιος (enkýklios)
Circular; general, formed with en- “in”
kyklos
Ancient Greek
AI-inferred
κύκλος (kýklos)
Circle, ring, or cycle
Koine Greek
AI-inferred
ἐγκύκλιος (enkýklios)
Circular; general, referring to a complete cycle
paideia
Ancient Greek
AI-inferred
παῖς (paîs), παιδείᾱ (paideíā)
Child; child-rearing and education
Koine Greek
AI-inferred
παιδείᾱ (paideíā)
Education, especially the cultivation of a child
New Latin
Verified
encyclopēdīa
General education; a Latinized joining of the Greek phrase

from New Latin encyclopēdīa, encyclopaedīa (“general education”), a univerbated form of Koine Greek ἐγκύκλιος παιδείᾱ...

Combined
ἐγκύκλιος παιδείᾱ (enkýklios paideíā)
“Education in the circle of arts and sciences,” later treated as one word in New Latin
New Latin
Verified
encyclopēdīa
General education; borrowed into English through learned Latin

from New Latin encyclopēdīa, encyclopaedīa (“general education”), a univerbated form of Koine Greek ἐγκύκλιος παιδείᾱ...

English, 1530s
Verified
encyclopedia
A general course of instruction

from New Latin encyclopēdīa, encyclopaedīa (“general education”), a univerbated form of Koine Greek ἐγκύκλιος παιδείᾱ...

English, 1640s onward
Verified
encyclopedia
A reference work or compendium, often arranged alphabetically

from New Latin encyclopēdīa, encyclopaedīa (“general education”), a univerbated form of Koine Greek ἐγκύκλιος παιδείᾱ...

Modern English
encyclopedia

Picture an ancient Greek curriculum as a complete circle: not just arithmetic, but the whole orbit of arts and sciences considered suitable for educating a free person. The phrase ἐγκύκλιος παιδείᾱ meant roughly “education in the circle,” and later Latin readers fused it into encyclopēdīa—possibly after misreading the Greek expression as a single established word. The child-rearing element, paideia, is hiding in modern words such as pedagogy and pediatric, so every encyclopedia carries a faint classroom-and-playground echo. Its modern reference-book identity was powerfully reinforced by Diderot and d’Alembert’s French Encyclopédie, published from 1751 to 1765; the alphabetical shelf of knowledge you picture today began as an ancient circle of learning.

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