The story
From alongside + -s (adverbial suffix), probably on the model of besides.
Etymology from Wiktionary, CC BY-SA 4.0.
alongsides
Today it means: Synonym of alongside. Full definition →
Today it means: Synonym of alongside. Full definition →
From alongside + -s (adverbial suffix), probably on the model of besides.
Etymology from Wiktionary, CC BY-SA 4.0.