thicket
thicket
noun
/ˈθɪkɪt/
1 ​a group of bushes or small trees growing closely together
a dense thicket of bamboo
2 ​a large number of things that are not easy to understand or separate
He spent the morning trying to work his way through a thicket of statistics.
Word Origin
Old English thiccet (from thick and -et).
e.g.
Sugimoto! Cut through that thicket of bamboo grass! 杉元ッ 笹薮を通って逃げろ (/yupeco/『ゴールデンカムイ』9話)