This is the 751st most frequent Hebrew word.
למעט
To exclude or except.
Here, "למעט" is used to indicate an exception within a statement.
למעט את ימי שבת, כל שאר השבוע אני עובד.
Except for Saturdays, I work the rest of the week.
In this instance, "למעט" functions to exclude certain actions from a general claim.
אני מנסה לעשות כל דבר לעניין זה, למעט פעולות מסוכנות.
I try to do everything regarding this matter, except for dangerous actions.
Here, "למעט" specifies the exclusion of changing the plan from the general directive.