pronoun
Formal or literary first-person plural pronoun. Rare in modern conversation; used in speeches, formal writing, or older texts.
余等はこの決議を支持するものである。
We support this resolution.
Compound of 余 (yo, 'I', a formal/literary first-person pronoun) and 等 (-ra, pluralizing suffix). The exact historical derivation is uncertain, but the form is associated with formal and literary registers.