Scythian Cognates

From: Claudius Salix Davianus
Message: 11909
Date: 2001-12-23

Can you say what are the avestic and old persian (or other) cognates of the scythian words, that Herodotus gave:
 
pata ' to kill'     < IE pet- (?)
spou 'eye'        < IE. *ok_w (?)
arima 'one'       = old irsh arám , greek arithmos (?)
oior 'man'
 
David Sánchez