Hryggli
Hryggli is a term of Icelandic origin. It is a compound word formed from two distinct elements. The first part, "hryggur," translates to "back" or "spine." The second part, "li," is a diminutive suffix, often indicating something small or lesser. Therefore, a literal translation of hryggli could be "little back" or "small spine."
In a broader sense, hryggli can refer to the lower back or lumbar region of the spine.