Where does “yestersol” come from?

yestersol (English) comes from English yester-, from Middle English yester-, from Old English ġeostran-, from Proto-Germanic *gesteran — yesterday.

yestersol (English): On the sol (Martian day) before the present one

Definitions

  1. On the sol (Martian day) before the present one

Ancestry of “yestersol”, step by step

StepLanguageWordMeaning
1Englishyester-Belonging to the day preceding the present; next...
2Middle Englishyester-Of the preceding day; Of previous times; formerly
3Old Englishġeostran-—
4Proto-Germanic*gesteranyesterday
Every word from Proto-Germanic *gesteran →Every word from English yester- →Every word from Old English ġeostran- →