en_tn_condensed/jos/22/17.md

Was the iniquity of Peor not enough for us?

"Certainly the iniquity of Peor was enough for us!" or "We sinned so badly at Peor that we certainly do not want to sin more."

the iniquity of Peor

"the iniquity we committed at Peor" or "the guilt of the sin that we committed at Peor"

Peor

This is name of a place. Translate the same way as in Joshua 13:20.

we have not even now cleansed ourselves from it

"we are still dealing with the guilt of that sin"