The Palaic word aš-
Word aš-
Meaning to be
See also Proto-Indo-European: *h₁es- ‘to be’
Lycian: es- ‘to be’
Proto-Anatolian: *ʔéstu ‘is, to be’

Comments
2sg.imp.act. a-aš, 3sg.imp.act. a-aš-du, 3pl.imp.act. a-ša-an-du