From Middle Welsh Merchyr, from Proto-Brythonic *Merxür, borrowed from Latin Mercurius. Compare Breton Merc'her, Cornish Merher.
Mercher m
Solar System in Welsh · Cysawd yr Haul (layout · text) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Star | yr Haul | |||||||||||||||||
IAU planets and notable dwarf planets |
Mercher | Gwener | y Ddaear | Mawrth | Ceres | Iau | Sadwrn | Wranws | Neifion | Plwton | Eris | |||||||
Notable moons |
— | — | y Lleuad | Phobos Deimos |
— | Io Ewropa Ganymede Callisto |
Mimas Enceladws Tethys Dione Rhea Titan Iapetws |
Miranda Ariel Umbriel Titania Oberon |
Triton | Charon | Dysnomia |