spontaneously
From LSJ
οὐ λήψει τὸ ὄνομα Κυρίου τοῦ Θεοῦ σου ἐπὶ ματαίω → thou shalt not take the name of the Lord thy God in vain
English > Greek (Woodhouse)
adverb
without external agency: P. ἀπὸ τοῦ αὐτομάτου.
voluntarily: P. and V. ἑκουσίως, or use adj.