I'm going to have a lil fun with this, so please forgive me
/me dons my best Drill Instructor voice
Everybody repeat after me: "This is my man command. There are many like it, but this one is important. I must read the man page before posting, or my post will show my noobies.
From "man csh"
A login shell begins by executing commands from the system files /etc/csh.cshrc and /etc/csh.login. It then exe-
cutes commands from files in the user’s home directory: first ~/.tcshrc (+) or, if ~/.tcshrc is not found,
~/.cshrc, then ~/.history (or the value of the histfile shell variable), then ~/.login, and finally ~/.cshdirs
(or the value of the dirsfile shell variable) (+). The shell may read /etc/csh.login before instead of after
/etc/csh.cshrc, and ~/.login before instead of after ~/.tcshrc or ~/.cshrc and ~/.history, if so compiled; see
the version shell variable. (+)
Check to see if the two files highlighted above exist on your system, and see what they contain.