And the disclosure that Abedin is pregnant added an overlay of pathos to the seamy tale.
You can also overlay census data showing where the population of women of reproductive age (15–44) live.
Waspiness is an overlay on human character, like the porcelain veneer that protects the biting surface of a damaged tooth.
"to cover the surface of (something)," c.1300, in part from Old English oferlecgan "to place over," also "to overburden," and in part from over- + lay (v.). There also was an overlie in Middle English, but it merged into this word. Similar compounds are found in other Germanic languages, e.g. Gothic ufarlagjan. Related: Overlaid; overlaying.
in the printing sense, 1824, from overlay (v.). Meaning "transparent sheet over a map, chart, etc." is from 1938. In earliest noun use it meant "a necktie" (1725).