▁vari eties ▁of ▁Y ag hn obi . ▁It ▁is ▁often ▁real ised ▁as ▁, ▁as ▁well ▁as ▁. ▁By ▁summary : ▁* ū ́ ▁( under ▁stress ) ▁> ▁ ū / ū y / uy / <0xCA> <0x8F> ▁or ▁ ū , ▁* ō ▁> ▁ ū ▁( ▁ ▁" go at "; ▁, ▁). ▁▁ ▁Before ▁a ▁nas al , ▁ ▁can ▁change ▁to ▁, ▁e . g . ▁▁ ▁" T aj ik istan ", ▁▁ ▁" name ". ▁▁ ▁is ▁considered ▁as ▁a ▁long ▁v owel , ▁however ▁before ▁, ▁its ▁pron unci ation ▁is ▁somewhat ▁shorter , ▁and ▁is ▁real ised ▁as ▁a ▁half - short ▁( or ▁even ▁short ) ▁v owel . ▁Et ym olog ically , ▁the ▁" short " ▁e ▁before ▁ ▁comes ▁from ▁older ▁* i ▁( there ▁is ▁an ▁altern ation ▁e / i ▁before ▁) ▁if ▁the ▁historical ▁cluster ▁* ih ▁or ▁* i ع ▁appears ▁in ▁a ▁closed ▁sy ll able , ▁and ▁* i ▁changes ▁to ▁e . ▁In ▁open ▁sy ll ables , ▁the ▁change ▁did ▁not ▁take ▁place ▁( that ▁is ▁similar ▁to ▁T aj ik ). ▁The ▁change ▁can ▁be ▁seen ▁in ▁the ▁verb ▁di h - / de h - : ▁inf init ive ▁ ▁vs . ▁ 3 rd ▁s g . ▁present ▁. ▁ ▁In ▁Y ag hn obi ▁dialect s , ▁there ▁can ▁be ▁seen ▁a ▁different ▁development ▁of ▁historical ▁s var ab h ak ti ▁v owel : ▁in ▁the