abut

[uh-buht] /əˈbʌt/
verb (used without object), abutted, abutting.
1.
to be adjacent; touch or join at the edge or border (often followed by on, upon, or against):
This piece of land abuts on a street.
verb (used with object), abutted, abutting.
2.
to be adjacent to; border on; end at.
3.
to support by an abutment.
Origin
1425-75; late Middle English < Middle French, Old French abuter touch at one end, verbal derivative of a but to (the) end; see a-5, butt2
Related forms
unabutting, adjective
British Dictionary definitions for abut

abut

/əˈbʌt/
verb abuts, abutting, abutted
1.
usually foll by on, upon, or against. to adjoin, touch, or border on (something) at one end
Word Origin
C15: from Old French abouter to join at the ends, border on; influenced by abuter to touch at an end, buttress
Word Origin and History for abut
v.

mid-13c., "to end at, to border on," from Old French aboter "join end to end, touch upon" (13c.), from à "to" (see ad-) + bout "end" (see butt (n.3)). Related: Abutted; abutting.