IPA: /ˈlɛərɪdʒ/
KK: /ˈlɛərɪdʒ/
The process of creating new plants by encouraging roots to form on a stem while it is still attached to the parent plant.
Layerage is a common technique used by gardeners to propagate new plants from existing ones.
Layerage → It is formed from "layer" (from Old French *laier*, meaning to lay or place) and "-age" (a suffix indicating a process or result). The word "layerage" refers to the process or result of laying or placing layers.
Think of the process of 'laying' things down in 'layers' — that's what layerage means.