Where does “aristh” come from?

aristh (Middle English) comes from Old English ǣrist, from Proto-Germanic uzristiz, from Proto-Germanic uzrīsaną, from Proto-Germanic uz-, from Proto-Indo-European uss-, from Proto-Indo-European uds-, from Proto-Indo-European úd — out, outward.

Ancestry of “aristh”, step by step

StepLanguageWordMeaning
1Old Englishǣristrising, resurrection; arising, rising up,...
2Proto-Germanicuzristiza rising, rise
3Proto-Germanicuzrīsanąto rise, rise up, arise
4Proto-Germanicuz-up, out
5Proto-Indo-Europeanuss-—
6Proto-Indo-Europeanuds-up, out
7Proto-Indo-Europeanúdout, outward
Every word from Proto-Indo-European úd →Every word from Proto-Indo-European uds- →Every word from Proto-Indo-European uss- →