Abbreviation of Thursday.
"The meeting was scheduled for thu afternoon, so I made sure to add it to my calendar."
Synonym of Tsinghua University
"The admission notice from thu was sent to all eligible applicants by email last week."
The name "Thu" has two primary origins: it was borrowed as a romanized form of the Chinese surname Shū or taken directly from the Norwegian surname common in Western Norway. In both cases, the word entered English without an original meaning different from its current use as a given name.