FromLatinlittera.Doublet ofletero.
litero (accusative singularliteron,pluralliteroj,accusative pluralliterojn)
Borrowed from Esperantolitero, Englishletter, Frenchlettre, GermanLetter, Italianlettera, Russianли́тера(lítera), Spanishletra.Doublet ofletro.
litero (pluralliteri)