Where does “deficiency” come from?

Deficiency comes from French déficiency, from Latin deficientia, meaning "a failing or lack," derived from deficere "to fail or be lacking."

deficiency (English): Inadequacy or incompleteness; An insufficiency,...

Definitions

  1. Inadequacy or incompleteness; An insufficiency,...

Ancestry of “deficiency”, step by step

StepLanguageWordMeaning
1EnglishdeficientLacking something essential; "often construed...
2Latindēficiensfailing, disappointing
3Latindeficerepresent active infinitive of dēficiō;...
4Latindefectusfailure; absence; weakness, failing, defect
5LatindeficioI withdraw; I forsake, desert or abandon; I fail,...
6Latinfaciōto do
7Latin-toriumnominative neuter singular of -tōrius; accusative...
8Latin-tōriusory
9Latin-tor-er
10Proto-Italic-tōrForms agent nouns to verb stems
11Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
12Proto-Indo-European-tor-s

Words derived from “deficiency

Every word from Proto-Indo-European -tor-sEvery word from Latin -toriumEvery word from Latin -tor
deficiency — Etymology, Origin & Word History | Etymology Explorer