See [812]-814.

faciō, makefacerefēcīfactus

For fac, see [846]; for passive, [788]. Compounds have i for a in the present system and e in the perfect participle: as, ef-ficiō, ef-ficere, ef-fēcī, ef-fectus.

fugiō, run awayfugerefūgī——
iaciō, throwiacereiēcīiactus

Compounds have -iciō ([104, c]), -icere, -iēcī, -iectus: as, ē-iciō, ē-icere, ē-iēcī, ē-iectus. In old Latin the present system has rarely -ieciō; -iecere. dis-siciō is sometimes used (Lucr., Verg.) for dis-iciō.

[941.] (2 b.) The following verbs in -ere have a perfect stem consisting of a consonant root with a long vowel ([862]), and the perfect participle, when used, in -sus ([912]).

[942.] (a.) With the present stem in -o|e- ([829]).

cūdō, hammercūdere-cūdī-cūsus

[943.] (b.) With reduplication and -o|e- in the present stem ([829]).

sīdō, settlesīderesīdī, -sīdī, -sēdī-sessus