roadside grass; roadside weeds
Refers to grass or weeds growing along a road or path. A straightforward literal noun.
The roadside grass is overgrown, making it hard to walk.
Figurative use, often implying guidance in life or love, like a signpost along the way. It can especially refer to guidance in love.
Chinese fountain grass (Pennisetum alopecuroides)
A specific plant species. Cross-referenced with 力芝.
See also: チカラシバ
Her words became a guidepost for me as I struggled with love.
I planted Chinese fountain grass in the garden and enjoy its autumn plumes.
Compound of 道 (road) and 芝 (grass). The figurative sense likely derives from the idea of grass marking a path, serving as a guide.