abutment (suomeksi)

tukipilari (s)
tuki (s: something that abuts, or on which something abuts / state of abutting)
tukipiste (s: point of junction that abuts / fixed point or surface where resistance is obtained)
tukimuuri (s: architecture: support for an arch or vault)
vastikemuuri (s: architecture: support for an arch or vault)
maatuki (s: engineering: support for the ends of a bridge)
tukeminen (s: state of abutting)
tukihammas (s: dentistry: tooth that supports a denture or bridge)