anneal in Czech
anneal in Czech
žíhat
(metallurgy) To subject to great heat and then (often slow) cooling, and sometimes reheating and further cooling, for the purpose of rendering less brittle; to temper; to toughen.
zakalit
(figurative, archaic, or, poetic) To strengthen or harden.
zocelit
(figurative, archaic, or, poetic) To strengthen or harden.