Where does “unperiodic” come from?

unperiodic (English) comes from English periodic, from English iodic, from French iodique, from French iodé, from Ancient Greek ἰοειδής, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs — Creates action nouns or result nouns from verbs;...

unperiodic (English): Not periodic

Definitions

  1. Not periodic

Ancestry of “unperiodic”, step by step

unperiodic traces back through two separate lines of ancestry.

via English periodic

StepLanguageWordMeaning
1EnglishperiodicRelative to a period or periods; Having repeated...
2Englishiodicof, or relating to iodine or its compounds,...
3Frenchiodiqueiodic
4Frenchiodépast participle of ioder; iodized, iodinated
5Ancient Greekἰοειδήςviolet
6Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
7Ancient Greek-ήςadjective suffix
8Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
9Proto-Indo-European-ess
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek -ής