Etymograph

English

doctor

Doctor comes from Middle English doctor, from Anglo-Norman doctour, from Latin doctor ‘teacher’, from doceō ‘to teach’.

  1. Latinc. 75 BCE–200 CEdoceō1‘to teach’
  2. Latinc. 75 BCE–200 CEdoctor1‘teacher’
  3. Anglo-Normanc. 1066–1400doctour1
  4. Middle Englishc. 1150–1500doctor1‘an expert, authority’
  5. Englishearliest quotation 1552doctor1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English doctor
  2. Earliest quotation in Wiktionary’s entry: 1552, Hughe Latymer [i.e., [The First Sermon]: “So from that tyme forwarde I began to ſmell…”.

Lineage

  1. Latinc. 75 BCE–200 CEdoceōWiktionary, English doctor‘to teach’
  2. Latinc. 75 BCE–200 CEdoctorWiktionary, English doctor‘teacher’
  3. Anglo-Normanc. 1066–1400doctourWiktionary, English doctor
  4. Middle Englishc. 1150–1500doctorWiktionary, English doctor‘an expert, authority’
  5. Englishearliest quotation 1552doctorWiktionary, English doctor. Earliest quotation in Wiktionary’s entry: 1552, Hughe Latymer [i.e., [The First Sermon]: “So from that tyme forwarde I began to ſmell…”

Word family

English words that share an ancestor with doctor, grouped by the ancestor they share, most familiar first.

through Proto-Indo-European *deḱ- ‘to take’

  • decent ← decēns ← decet ← *dekēt ← *dekējeti
  • tail ← tæġel ← *tagl ← *taglą ← *doḱ-
  • dignity ← dignyte ← dignité ← dignitās ← dignus
  • decoration ← decoratio ← decorō ← decus ← *dekos
  • paradox ← paradoxe ← paradoxum ← παράδοξος ← δόξα
  • decor ← decet ← *dekēt ← *dekējeti ← *dḱeh₁yéti
  • disdain ← disdeynen ← desdeignier ← deignier ← digno
  • indignation ← indignacioun ← indignātiō ← indignor ← indignus
  • dainty ← deynte ← deintié ← dignitās ← dignus
  • dogma ← δόγμα ← δοκέω ← δέχομαι
  • fonda ← فُنْدُق ← πανδοκεῖον ← δέχομαι
  • indignant ← indignāns ← indignor ← dignor ← dignō

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Today it means

noun A physician; a member of the medical profession; one who is trained and licensed to heal the sick or injured. The final examination and qualification may award a doctor degree in which case the post-nominal letters are DO, DPM, MD, DMD, or DDS in the US, or MBBS or BDS in the UK.

Sources

Sources: Wiktionary, “doctor”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Latin doceō / doctor