Days
来自Big Physics
Old English dæg, of Germanic origin; related to Dutch dag and German Tag .
wiktionary
From Middle English dayes, dawes, from Old English dagas, from Proto-Germanic *dagōs, *dagōz, plural of *dagaz, equivalent to day + -s(plural ending).
From Middle English daies, from Old English dæġes(“by day”), from Proto-Germanic *dagas, *dagis, genitive of *dagaz, equivalent to day + -s(adverbial ending).
