Where does “hermit crab” come from?

hermit crab (English) comes from English hermit, from Middle English hermite, from Old French eremite, from Latin erēmīta, from Ancient Greek ἐρημίτης, from Ancient Greek ἐρημία, from Ancient Greek -ίτης, from Ancient Greek πολῑ́της — Creates verbal adjectives from verb stems.

hermit crab (English): A decapod crustacean from the superfamily...

Definitions

  1. A decapod crustacean from the superfamily...

Ancestry of “hermit crab”, step by step

hermit crab traces back through two separate lines of ancestry.

via English hermit

StepLanguageWordMeaning
1EnglishhermitA religious recluse; someone who lives alone for...
2Middle Englishhermite
3Old Frencheremitehermit
4Latinerēmītahermit, eremite
5Ancient Greekἐρημίτηςperson of the desert
6Ancient Greekἐρημίαdesert, desolate/uninhabited area,wilderness;...
7Ancient Greek-ίτηςSuffix forming a masculine noun: one connected...
8Ancient Greekπολῑ́τηςcitizen
9Ancient Greek-τηςForms nouns representing a state of being; Added...
10Proto-Hellenic-tāts
11Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
12Proto-Indo-European-teh₂Used to form nouns representing state of being
13Proto-Indo-European-tósCreates verbal adjectives from verb stems

via English crab

StepLanguageWordMeaning
1EnglishcrabA crustacean of the infraorder Brachyura, having...
2EnglishcarabinerA metal link with a gate that can open and close,...
3GermanKarabinerhakencarabiner, snap hook, snap-link
4GermanKarabinercarbine; Karabinerhaken: carabiner
5Frenchcarabinerifle; mistress of a cavalry soldier
6Frenchcarabincarabineer; medical student
7Frenchescarrabingrave digger
8Middle Frenchscarabéebeetle
9LatinscarabaeusA scarab, black dung beetle, revered in Ancient...
10Ancient Greekκάραβοςa kind of beetle, probably a longhorn beetle; a...
Every word from Proto-Indo-European -tósEvery word from Ancient Greek -τηςEvery word from Ancient Greek πολῑ́της