Where does “musselcrusher” come from?

musselcrusher (English) comes from English mussel, from Middle English muscle, from Old English muscle, from Proto-Germanic *muskulā, from Latin muscula, from Latin mūsculus, from Ancient Greek μῦς, from Proto-Hellenic *mū́s — mouse.

Ancestry of “musselcrusher”, step by step

musselcrusher traces back through two separate lines of ancestry.

via English mussel

StepLanguageWordMeaning
1EnglishmusselAny of several groups of bivalve shellfish with...
2Middle Englishmusclemussel bivalve
3Old Englishmusclemussel
4Proto-Germanic*muskulā
5LatinmusculaDiminutive of musca
6Latinmūsculusa small mouse
7Ancient Greekμῦςmouse; A type of mussel; A type of whale
8Proto-Hellenic*mū́s
9Proto-Indo-IranianmúHsmouse
10Proto-Indo-Europeanmúh₂smouse

via English crusher

StepLanguageWordMeaning
1EnglishcrusherSomeone or something that crushes; A machine...
2EnglishcrushA violent collision or compression; a crash;...
3Middle Englishcruschento crush, smash, squeeze, squash
4Old Frenchcroissirto crush; to break; to crack; to snap; to crack;...
5Late Latincruscioto brush
6Frankishkrostjanto crush, squeeze, squash
Every word from Proto-Indo-European múh₂s