precoloring

Etymology

From pre- + coloring.

precoloring means coloring in advance. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

coloring in advance“For any matching M in G and any precoloring of the edges in M using the colors #92;#123;1,#92;ldots,K#92;#125;, there is some proper K-edge-coloring of G extending the given precoloring.”
A particular assignment of colors in a precoloring.“On the other hand, Thomassen's proof on planar graph 5 - choosability shows that some precolorings (two adjacent precolored vertices) and short lists (on the same face) allow a list coloring extension.”