suru verb (irregular), intransitive verb
go south
Obsolete intransitive suru verb meaning 'to go south' or 'to head south'. Not used in modern Japanese; the modern equivalent is 南へ行く or 南下する.
古文書には「軍を南する」という表現が見られる。
In old documents, the expression '南する' (to go south) can be found.
Modern standard verb for 'to go south', used in both literal and figurative contexts.
Compound of 南 (south) + する (to do). The exact historical derivation is uncertain; it is an obsolete formation not used in modern Japanese.