spontaneously
From LSJ
ὁ Σιμωνίδης τὴν μὲν ζωγραφίαν ποίησιν σιωπῶσαν προσαγορεύει, τὴν δὲ ποίησιν ζωγραφίαν λαλοῦσαν → Simonides relates that a picture is a silent poem, and a poem a speaking picture | Simonides, however, calls painting inarticulate poetry and poetry articulate painting
English > Greek (Woodhouse)
adverb
without external agency: P. ἀπὸ τοῦ αὐτομάτου.
voluntarily: P. and V. ἑκουσίως, or use adj.