Complex sentence: Also as Old Persian contains many words from another extinct Iranian language, Median, according to P. O. Skjærvø it is probable that Old Persian had already been spoken before formation of the Achaemenid Empire and during most of the first half of the first millennium BCE.
Split into simpler sentences: Also as Old Persian contains many words from another extinct Iranian language, Median. According to P. O. Skjærvø it is probable that Old Persian had already been spoken before formation of the Achaemenid Empire and during most of the first half of the first millennium BCE.