Where does “gråsidemus” come from?

gråsidemus (Norwegian Nynorsk) comes from Norwegian Nynorsk side, from Old Norse síða, from Proto-Germanic sīdǭ, from Proto-Germanic sīdaz, from Proto-Indo-European sēy-, from Proto-Indo-European ḱe- — demonstrative particle; here; this, here.

gråsidemus (Norwegian Nynorsk): a grey red-backed vole, "Myodes rufocanus"

Definitions

  1. a grey red-backed vole, "Myodes rufocanus"

Ancestry of “gråsidemus”, step by step

gråsidemus traces back through 3 separate lines of ancestry.

via Norwegian Nynorsk side

StepLanguageWordMeaning
1Norwegian Nynorsksidea page; side; definite singular of sid
2Old Norsesíðaside
3Proto-Germanicsīdǭside
4Proto-Germanicsīdazdrooping, hanging down, pendulous, long,...
5Proto-Indo-Europeansēy-to send, throw, drop, sow, deposit; to linger
6Proto-Indo-Europeanḱe-demonstrative particle; here; this, here

via Norwegian Nynorsk mus

StepLanguageWordMeaning
1Norwegian Nynorskmusmouse; pussy; computer mouse
2Old Norsemús
3Proto-Germanicmūsmouse
4Proto-Indo-Europeanmúh₂smouse

via Norwegian Nynorsk grå

StepLanguageWordMeaning
1Norwegian Nynorskgrågrey or gray
2Old Norsegrárgrey; spiteful
3Proto-Germanicgrēwazgrey
4Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European ḱe-Every word from Proto-Indo-European sēy-Every word from Proto-Germanic sīdaz