Where does “tautology” come from?

Tautology comes from Latin tautologia, from Ancient Greek ταὐτολογία, combining ταὐτο- (the same) and λόγος (word, speech), ultimately from the Proto-Indo-European root leǵ- (to speak).

tautology (English): Redundant use of words, a pleonasm, an...

Definitions

  1. Redundant use of words, a pleonasm, an...

Ancestry of “tautology”, step by step

StepLanguageWordMeaning
1Late Latintautologia
2Ancient Greekταὐτολογίαtautology
3Ancient GreekλόγοςThat which is said: word, sentence, speech,...
4Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
5Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...

Words derived from “tautology

Every word from Proto-Indo-European leǵ-Every word from Ancient Greek λέγωEvery word from Ancient Greek λόγος