shadowing

varjostaminen (present participle of)
The effect of being shadowed (in the sense of blocked), as from a light source or radio transmission.
The situation where an individual repeats speech immediately as they hear it (usually through earphones).
puhekieltä secretly Secretly or discreetly tracking or following someone, keeping under surveillance.
A faint representation; an adumbration.
Edward Burnett Tylor

There are (..) in savage theology shadowings, quaint or majestic, of the conception of a Supreme Deity.