After breaking occurred, short /??/ (and in some dialects long /????/ as well), was backed to /a/ (/??/) when there was a back vowel in the following syllable.[5] This is called a-restoration because it partly restored original /a/, which had earlier been fronted to /??/ (see above). (Note: The situation is complicated by a later change in some dialects called Second Fronting that fronted shor