Sanskrit satya (Ved. satyá, Avest. haithiia) most probably goes back to the weak form of sám (together) with the adjectival suffix -tyá (see Wright, 1988); the derivation from sát, the present participle of the verb as “to be” (which has influenced medieval and modern usage), with the suffix -ya (e.g. Mayerhofer, 1976, 1996) is not convincing, since this suffix is never added to participle stems. Thus the word satyá is originally an adjective meaning,…