As a verb underwind
is to (tighten a spring of) something inadequately; to wind too loosely.
As a noun underkind is
a lower or inferior kind or class; a subordinate.
underwind
English
Verb
To (tighten a spring of) something inadequately; to wind too loosely. underkind
English
Noun
(
en noun)
A lower or inferior kind or class; a subordinate.