palen

To make or become pale.

[…] the brown portion gradually palened towards the postero-interior margin, with an inconspicuous paler median streak.

Marion dumped Alice in the wheelbarrow with slices of honeybread between dock leaves on her lap, and wheeled it down the garden, past the beans, darkening as they ripened, past the peas, palening as they ripened, past the neat rows of onions and cabbages.

A surname.