laga hida is a oromo place hence the name the the lake near prison, Lee isa can translate into the bone of isa or the land of isa
Lag and Haro are Somali for lake. Lafa Ciise has no other meaning than bones of Ciise. In Somali culture Lafo before the name of a town means that a big battle took place there.
All of Bale and Hararghe is formerly Muslim Somali, Xarla, Adari territory. Oromo belong only in Sidamo. This is why you were pagans until 300 years ago. Oromo lived far to the south in places like Negeyle and Yabello.