P. and V. οὐδαμοῦ, οὐδαμῆ, μηδαμοῦ, μηδαμῆ.
to no place: P. οὐδαμόσε, μηδαμόσε, Ar. and P. οὐδαμοῖ.
from nowhere: P. οὐδαμόθεν, μηδαμόθεν.