Where does “mus caecus” come from?

mus caecus (Latin) comes from Latin caecus, from Proto-Italic kaikos, from Proto-Indo-European *kéh₂ikos — one-eyed, blind.

mus caecus (Latin): bat

Definitions

  1. bat

Ancestry of “mus caecus”, step by step

mus caecus traces back through two separate lines of ancestry.

via Latin caecus

StepLanguageWordMeaning
1Latincaecusblind; invisible
2Proto-Italickaikosblind
3Proto-Indo-European*kéh₂ikosone-eyed, blind

via Latin mūs

StepLanguageWordMeaning
1Latinmūsa mouse; a rat (the European black rat (Rattus rattus))
2Proto-Italicmūsmouse
3Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European *kéh₂ikos →Every word from Proto-Italic kaikos →Every word from Latin caecus →
mus caecus — Etymology, Origin & Word History | Etymology Explorer