Plural of 'eger,' referring to multiple keen or sharp people or things (archaic).
From the plural formation of 'eger,' an archaic adjective. Standard English would use 'eager people,' but 'egers' appears in older texts as a noun form.
English used to let you turn almost any adjective into a noun by adding -s (like 'the eagers'), but we mostly stopped doing this—now we'd say 'eager people' instead.
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