Where does “alswo” come from?

alswo (Middle English) comes from Old English eallswā, from Proto-Germanic *allswā.

Ancestry of “alswo”, step by step

StepLanguageWordMeaning
1Old Englisheallswājust so; as; completely so, additionally, just...
2Proto-Germanic*allswā—
Every word from Proto-Germanic *allswā →Every word from Old English eallswā →