Where does “non-periodic” come from?

non-periodic (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;...

non-periodic (English): Taking over 200 years to complete an orbit;...

Definitions

  1. Taking over 200 years to complete an orbit;...

Ancestry of “non-periodic”, step by step

non-periodic 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 non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek -ής