Where does “ā-” come from?

ā- (Old Saxon) comes from Old Saxon ar-, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds-, from Proto-Indo-European úd — out, outward.

Ancestry of “ā-”, step by step

StepLanguageWordMeaning
1Old Saxonar-—
2Proto-Germanicuz-up, out
3Proto-Indo-Europeanuss-—
4Proto-Indo-Europeanuds-up, out
5Proto-Indo-Europeanúdout, outward

Words derived from “ā-”

Every word from Proto-Indo-European úd →Every word from Proto-Indo-European uds- →Every word from Proto-Indo-European uss- →