Where does “extraperiodic” come from?

extraperiodic (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;...

extraperiodic (English): Outside of a given period

Definitions

  1. Outside of a given period

Ancestry of “extraperiodic”, step by step

extraperiodic 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 extra

StepLanguageWordMeaning
1EnglishextraBeyond what is due, usual, expected, or...
2EnglishextraordinaryNot ordinary; exceptional; unusual; Remarkably...
3Latinextraordināriusextraordinary
4Latinōrdinem
5Middle Low Germanorden
6Latinōrdināre
7Latinōrdōa methodical series, arrangement, or order; regular line, row, or series
8Proto-Italicored(h)-to arrange
Every word from Proto-Indo-European -osEvery word from Ancient Greek -ειδήςEvery word from Ancient Greek -ής