steloEtymologyLearned borrowing from Esperanto stelo. Doublet of estoile, étoile, and stella; related to aster and star.nounA monetary unit of Esperantists from 1945 to 1993, one of whose aims was to achieve a single world currency.“One stelo theoretically equals in value of one kilogram of bread. […] The five steloj, 1959 (60), obverse shows a world globe symbolizing the unity of mankind. […] Most Esperantists use International Reply Coupons for the purposes for which stelo coins were intended, he added.”