Where does “alder-” come from?

alder- (Middle Dutch) comes from Dutch alle, from Middle Dutch alle, from Middle Dutch al, from Old Dutch āl, from Proto-West Germanic all, from Proto-Germanic allaz, from Proto-Indo-European h₂él- — to grow, nourish.

Ancestry of “alder-”, step by step

StepLanguageWordMeaning
1Dutchalleall
2Middle Dutchalleinflection of al: ## feminine...
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl—
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish

Words derived from “alder-”

Every word from Proto-Indo-European h₂él- →Every word from Proto-Germanic allaz →Every word from Proto-West Germanic all →
alder- — Etymology, Origin & Word History | Etymology Explorer