Where does “perfect cadence” come from?

perfect cadence (English) comes from English perfect, from Middle English perfit, from Old French parfit, from Latin perfectus, from Latin perficiō, from Latin faciō, from Latin -torium, from Latin -tōrius.

perfect cadence (English): A cadence involving the resolution of the dominant chord (V) to the root chord (I)

Definitions

  1. A cadence involving the resolution of the dominant chord (V) to the root chord (I)

Ancestry of “perfect cadence”, step by step

perfect cadence traces back through two separate lines of ancestry.

via English perfect

StepLanguageWordMeaning
1EnglishperfectFitting its definition precisely; Having all of...
2Middle Englishperfitperfect
3Old Frenchparfit
4Latinperfectusachieved, executed, carried out, finished,...
5Latinperficiōto finish, complete
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

via English Cadence

StepLanguageWordMeaning
1EnglishCadenceThe act or state of declining or sinking
2EnglishcadenceThe act or state of declining or sinking;...
3Middle Frenchcadence
4Italiancadenzacadence; rhythm; third-person singular present...
5Vulgar Latincadentiafalling
6Latincadēnsfalling
7Latincadōto fall, to fall out
8Proto-Italickadōfall, sink
9Proto-Indo-Europeanḱad-to fall
Every word from Proto-Indo-European -tor-sEvery word from Latin -toriumEvery word from Latin -tor