herða

Etymology
From, from.

Verb

 * 1)  to harden (make harder)
 * 2)  to tighten (a grip, girdle, etc.)

Etymology 1
From.

Verb

 * 1)  to make hard, temper
 * 2)  to press, clench
 * 3)  to make firm, exhort
 * 4)  to follow, closely, pursue vigorously
 * 5)  to become hard, harden
 * 6)  to take heart

Noun

 * 1) tempering
 * 2) hardness, severity