verge1
¦ noun
1. an edge or border.
Brit. a grass edging by the side of a road or path.
Architecture an edge of tiles projecting over a gable.
2. an extreme limit beyond which something specified will happen: I was on the verge of tears.
¦ verb (verge on) be very close or similar to: his attitude verges on racist.
Origin
ME: via OFr. from L. virga 'rod'.
--------
verge2
¦ noun a wand or rod carried before a bishop or dean as an emblem of office.
Origin
ME: from L. virga 'rod'.
--------
verge3
¦ verb incline in a certain direction or towards a particular state.
Origin
C17 (in the sense 'descend to the horizon'): from L. vergere 'to bend, incline'.