Etymology 1

From , hence "scope, territory dominated", from , of unknown origin. Earliest attested sense in English is now-obsolete meaning "male member, penis" (c.1400). Modern sense is from the notion of 'within the verge' (1509, also as Anglo-French dedeinz la verge), i.e. "subject to the Lord High Steward's authority" (as symbolized by the rod of office), originally a 12-mile radius round the royal court, which sense shifted to "the outermost edge of an expanse or area."

Noun

1. A rod or staff of office, e.g. of a verger.
2. An edge or border.
3. The grassy area between the sidewalk and the street; a tree lawn.
4. A male rod, phallus
5. An extreme limit beyond which something specific will happen

   I was on the verge of tears.

Etymology 2

From vergere "to bend, turn, tend toward, incline", from the Proto-Indo-European werg- "to turn", itself from a root wer- "to turn, bend" (cfr. versus); strongly influenced by the homonymous noun verge in its verbal form meaning "to be adjacent to"

Verb

1. To be or come very close; to border; to approach.

   Eating blowfish verges on insanity.

Etymology

From , hence "scope, territory dominated", from , of unknown origin.