Where does “alswa” come from?

alswa (Middle English) comes from Old English ealswā, from Proto-Germanic *allswā.

Ancestry of “alswa”, step by step

alswa traces back through two separate lines of ancestry.

via Old English ealswā

StepLanguageWordMeaning
1Old Englishealswā—
2Proto-Germanic*allswā—

via Old English eallswā

StepLanguageWordMeaning
1Old Englisheallswājust so; as; completely so, additionally, just...
2Proto-West Germanic*allswācompletely, totally, or fully so
Every word from Proto-Germanic *allswā →Every word from Old English ealswā →
alswa — Etymology, Origin & Word History | Etymology Explorer