-irono
See also: írónő
Italian
Etymology
From (deprecated template usage) [etyl] Latin -īverunt (via -īru). In the thirteenth century, the Italian form was -iro, which later was extended to -irono under influence of verb endings like -ano and -ono.[1] Example: Italian finirono, from Latin finiverunt.
Suffix
-irono
- Used with a stem to form the third-person plural past historic of regular -ire verbs