Where does “.doc” come from?

.doc (Translingual) comes from English DOC, from English doctor, from Middle English doctour, from Anglo-Norman doctour, from Latin doctor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr.

.doc (Translingual): An extension for legacy Microsoft Word documents

Definitions

  1. An extension for legacy Microsoft Word documents

Ancestry of “.doc”, step by step

StepLanguageWordMeaning
1EnglishDOCInitialism of drug of choice; Initialism of...
2EnglishdoctorA physician; a member of the medical profession;...
3Middle Englishdoctourdoctor
4Anglo-NormandoctourAlternative spelling of doctur
5Latindoctorteacher, instructor; catechist
6Latin-tor-er
7Proto-Italic-tōrForms agent nouns to verb stems
8Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
9Proto-Indo-European-tor-s

Words derived from “.doc

Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Latin doctor