spontaneously
From LSJ
καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
English > Greek (Woodhouse)
adv.
Without external agency: P. ἀπὸ τοῦ αὐτομάτου.
Voluntarily: P. and V. ἑκουσίως, or use adj.
