διά a primary preposition denoting the channel of an act; through (in very wide applications, local, causal, or occasional): after, always, among, at, to avoid, because of (that), briefly, by, for (cause) … fore, from, in, by occasion of, of, by reason of, for sake, that, thereby, therefore, X though, through(-out), to, wherefore, with (-in). In composition it retains the same general importance.