counterpotent

From counter- +‎ potent.

counterpotent (plural counterpotents)

1. (heraldry) A fur differing from potent in the arrangement of the patches: the T shapes are alternatingly upright and inverted, such that the broad side of each T touches the broad sides of the adjacent row's like-colored T.

• counter-potent

• counterpotenty, counterpotente