Where does “psychological” come from?

Psychological derives from English psychology plus the suffix -ic, from French -ique and Ancient Greek λέγω meaning "to speak," with the adjectival suffix from Proto-Indo-European -kos.

psychological (English): Of or pertaining to psychology; Without an...

Definitions

  1. Of or pertaining to psychology; Without an...

Ancestry of “psychological”, step by step

StepLanguageWordMeaning
1EnglishpsychologyThe study of the human mind; The study of human...
2Frenchpsychologiepsychology
3Latinpsychologia
4Latin-logia-logy; the study of
5Ancient Greek-λογίαBase for nouns denoting the study of something,...
6Ancient GreekλόγοςThat which is said: word, sentence, speech,...
7Ancient GreekλέγωI put in order, arrange, gather; I choose, count,...
8Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...

Words derived from “psychological

Every word from Proto-Indo-European leǵ-Every word from Ancient Greek -λογίαEvery word from Ancient Greek λέγω