にして
ni shite

Expression

1. in (a period of time, manner); at (a time, stage in life, etc.); while

Formal Register
ローマは、一 いち にちにして建設 けんせつされたものではない。
rōmawa ichinichini shite kensetsu sareta monodewanai.
Rome was not built in a day.
Expression

2. despite; although; even

Formal Register
Expression

3. as well as; (both) ... and ...

Formal Register
Expression

4. at (a location); in; on

Archaic