G1516–εἰρηνικός–eirēnikos

But no chastening at the time seems to be [supplied: matter] of joy, but of grief; but afterwards yields [supplied: the] peaceful fruit of righteousness to those exercised by it.

εἰρηνικὸν eirēnikon “peaceable”

But the wisdom from above first is pure, then peaceful, gentle, yielding, full of mercy and good fruits, unquestioning, unfeigned.

εἰρηνική, eirēnikē “peaceable,”