involute
adjective
[ ˈɪnvəl(j)uːt ]
• involved or intricate.
• "the art novel has grown increasingly involute"
• curled spirally.
involute
noun
• the locus of a point considered as the end of a taut string being unwound from a given curve in the plane of that curve.
Origin:
mid 17th century: from Latin involutus, past participle of involvere (see involve).
