Obs. or dial. Also 5 awbel, ebel(le. [app. a var. of ABELE, though the form is not easy to explain.] The Aspen (Populus tremula); perhaps also the White Poplar (Populus alba).

1

c. 1440.  Promp. Parv., 17/2. Awbel or ebelle tre [K, P, ebeltre].

2

1830.  Forby, E.-Angl. Glossary, Ebble, the asp tree … populus tremula.

3