Heavy Construction
The Allen and Greenough is still under construction;
so some links may not work quite the way you would expect.
182.
Four verbs, - dícó, dúcó, fació,
feró, - with their compounds, drop the
vowel-termination of the Imperative, making díc, dúc, fac, fer; but compounds
in -fició retain it, as,
cónfice.
NOTE: The imperative forms díce, dúce, face (never fere),
occur in early Latin.
a. For the imperative of sció, the future form scító is always used in the
singular, and scítóte
usually in the plural.