The phrase "namely from" is correct and usable in written English.
You can use it to refer to a source of information in a sentence. For example: "The data was collected from several sources, namely from surveys and statistics."
The flipside is it also helped him learn, namely from discussions with Rafael Benítez and Gary Rowett among others.
The original emphasis, and still the emphasis today, hasn't been on correcting behaviour but on providing security, namely from terrorists.
The assessment further only examined a single source of exposure to a substance, namely from rubber granulate.
In fact, cellular networks have experienced four generations of technology revolution, namely from 1G to 4G.
A comparable decrease is observed under grassland, namely from 13.9 to 13.0 kg C m−2.
The Institute of Ideas was born from adversity, namely from the collapse of the Revolutionary Communist party (RCP) magazine she used to co-publish, Living Marxism.
Most of the effort to boot the Levy family from Monticello came from outside Charlottesville, namely from Maud Littleton, the wife of a New York congressman.
DR. HORN: Had you put your services at the disposal of the Party before that date, as the Prosecution assert, namely, from 1930 on?
In another photograph titled "Leipzig," people hang off every surface, namely from the elevated train platform and its stair, with their umbrellas glistening in the rain.
Natural polymers are derived from renewable resources, namely from plants, animals and microorganisms, and are, therefore, widely distributed in nature.
"This companion is probably too massive to have formed the way we believe that planets do, namely from a circumstellar disk of gas and dust when the star was young," Dr. Liu said.
