แซม(saem)

[to] be interspersed; be mixed in

to appear in small amounts among something else, dotted or mixed through it (e.g., gray hairs among black hair)

[to] streak/highlight (hair); intersperse

to add streaks or sections of a different color to hair; by extension, to add small bits of [sth] among [sth] else

streaked; speckled (with)

having small amounts of another color or element mixed in, e.g., hair streaked with gray