-lo

Etymology
From (with later labialization).

Usage notes

 * With bisyllabic stems, the preceding, usually changes to  (compare ). e-stems however generally have the  turn into an.

Usage notes

 * Appended to present active infinitive verb forms to derive accusative forms when the object is third singular masculine person. Also appended to second singular person imperative forms. The final -e of the original infinitive is removed :

Where the verb ends in -rre, the final re is removed, leaving behind just an -r:

In any case, after the suffixation, there is only a single r and no vowels immediately before -lo.

Etymology
.