Compounds have i for a: as, re-sipiō, &c.
[970.] (d.) With the present stem in -sso|e- ([375]).
| ar-cēssō, send for | ar-cēssere | ar-cēssīvī | ar-cēssītus |
Sometimes ac-cersō, &c.; infinitive rarely ar-cēssīrī or ac-cersīrī.
| capēssō, undertake | capēssere | capēssīvī | —— |
| facēssō, do, make off | facēssere | facēssīvī | facēssītus |
Perfect system rare: facēssierīs or facēsserīs (Cic.), facēssīsset (Tac.).
| in-cēssō, attack | in-cēssere | in-cēssīvī | —— |
| lacēssō, provoke | lacēssere | lacēssīvī | lacēssītus |
PERFECT STEM IN -u-.
[971.] (3.) The following verbs in -ere have the perfect stem in -u- ([873]), and the perfect participle, when used, in -tus; in some participles -tus is preceded by a short i, thus, -itus ([910]):