The story
From shadow (verb) + -ing (suffix forming nouns denoting the act of doing something, an action, or the embodiment of an action; or forming present participles of verbs).
Etymology from Wiktionary, CC BY-SA 4.0.
shadowing
sha·dow·ingToday it means: The effect of being shadowed (in the sense of blocked), as from a light source or radio transmission. Full definition →