also

Etymology tree

Proto-Indo-European *h₂el-der.?

Proto-Indo-European *h₂elnós

Proto-Germanic *allaz

Proto-West Germanic *all

Proto-Indo-European *swéder.?

Proto-Germanic *swa

Proto-West Germanic *swā

Proto-West Germanic *allswā

Old English eallswā

Middle English also

English also

From Middle English also, alswo, alswa (also als(e), as, whence English as), from Old English eallswā (“just like, also”), from Proto-West Germanic *allswā, equivalent to all + so. Cognate with Scots alsa, alswa (“also, even so, in the same way, as, as well”), Saterland Frisian also (“accordingly, therefore, thus”), West Frisian alsa (“so, just so, even so, thus”), Old Saxon alsō (“similarly, as if, just as, when”), Dutch alzo (“so, thus”), German also (“so, thus”), Danish altså (“so”), Norwegian Bokmål altså (“so, therefore, accordingly, thus”), Norwegian Nynorsk altso (“so, accordingly, therefore, thus”), Swedish alltså (“so, therefore, accordingly, thus, then”). Doublet of as. More at all, so.