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doctor

Latin

Variants

doctordoctdoctr

Related Roots

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About This Root

From Latin doctor (teacher), from docēre (to teach). The root connects teaching and knowledge: docile (teachable), doctrine (what is taught), document (something that teaches or proves). The word doctor originally meant "learned teacher" before narrowing to medical practitioners — though the academic title PhD preserves the older sense.

Associated Words

docile

Easily taught or controlled; obedient

TOEFLGREC2

doctor

a medical professional; a holder of a doctorate

NGSL 1kIELTSA1

doctorate

The highest academic degree awarded by a university

A1

doctors

Plural of doctor; medical practitioners; to treat medically or tamper with

IELTSA1

doctrinaire

Rigidly applying theory without regard for practicality; a dogmatic theorist

GREC2

doctrine

A set of authoritative beliefs or principles held by a group or religion

IELTSTOEFLGRE

document

a written record; to record information

NGSL 1kTOEFLGRE

documentation

Written materials providing evidence, instructions, or official records

TOEFLB1

documents

Official written papers; to record in writing

IELTSB1