G4457–πώρωσις–pōrōsis

And he biheeld hem aboute with wraththe, and hadde sorewe on the blyndnesse of her herte, and seith to the man, Hold forth thin hoond. And he helde forth, and his hoond was restorid to hym.

πωρώσει pōrōsei “hardness”

But, britheren, Y wole not that ye vnknowen this mysterie, that ye be not wise to you silf; for blyndenesse hath feld a parti in Israel, til that the plente of hethene men entride,

πώρωσις pōrōsis “a hardening”

that han vndurstondyng derkned with derknessis, and ben alienyd fro the lijf of God, bi ignoraunce that is in hem, for the blyndenesse of her herte.

πώρωσιν pōrōsin “hardness”