baɪ ðə bɪɡˈɪnɪŋ ʌvðɪ ˈiːdoʊ pˈiəɹɪəd ɪn wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd, ðə fˈɔːɹm hæd dɪvˈɛləpt ˈiːvən fˈɜːðɚ ænd spɹˈɛd tə bɪkˌʌm ˈiːvən mˈoːɹ kˈɑːmənplˌeɪs.
By the beginning of the Edo period in 1600, the form had developed even further and spread to become even more commonplace.