Where does “Jordanic” come from?

Jordanic (English) comes from English Jordan, from Latin Iordanēs, from Ancient Greek Ἰορδάνης, from Hebrew יַרְדֵּן — Jordan.

Ancestry of “Jordanic”, step by step

Jordanic traces back through two separate lines of ancestry.

via English Jordan

StepLanguageWordMeaning
1EnglishJordanA placename
2LatinIordanēsthe river Jordan
3Ancient GreekἸορδάνης—
4HebrewיַרְדֵּןJordan

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Hebrew יַרְדֵּן →Every word from Ancient Greek Ἰορδάνης →Every word from Latin Iordanēs →