Where does “Ephraimitish” come from?

Ephraimitish (English) comes from English ish, from English -ish, from Middle English -ish, from Old English -isċ, from Proto-West Germanic -isk, from Proto-Germanic -iskaz, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

Ancestry of “Ephraimitish”, step by step

Ephraimitish traces back through two separate lines of ancestry.

via English ish

StepLanguageWordMeaning
1EnglishishPronunciation spelling of is; somewhat,...
2English-ishTypical of, similar to, being like; Somewhat,...
3Middle English-ishAlternative form of -yssh
4Old English-isċ-ish
5Proto-West Germanic-iskCreates adjectives from nouns
6Proto-Germanic-iskazForms adjectives from nouns with the sense of...
7Proto-Indo-European-iskosCharacteristic of, typical of, pertaining to

via English ephraimite

StepLanguageWordMeaning
1EnglishephraimiteAn allegiant of the Israelite tribal patriarch Ephraim, a member of the tribe purportedly descended from him, or an inhabitant of the Northern Kingdom of Israel (930–720 B.C.), in which the tribe of Ephraim was preëminent
2LatinEphraimītēsAn allegiant of the Israelite tribal patriarch Ephraim, a member of the tribe purportedly descended from him, or an inhabitant of the Northern Kingdom of Israel (930–720 B.C.), in which the tribe of Ephraim was preëminent
3Ancient GreekἘφραϊμῑ́τηςAn allegiant of the Israelite tribal patriarch Ephraim, a member of the tribe purportedly descended from him, or an inhabitant of the Northern Kingdom of Israel (930–720 B.C.), in which the tribe of Ephraim was preëminent
4Ancient GreekἘφραΐμEphraim, son of Joseph
5HebrewאֶפְרַיִםEphraim
Every word from Proto-Indo-European -iskosEvery word from English -ishEvery word from Proto-Germanic -iskaz