Latin -undus

← Proto-Indo-European [[*-onts|*-ont-]] (cognate)

← Proto-Indo-European [[*-is|*-i-]] (mention)

← Proto-Indo-European *-nós (mention)

← Proto-Indo-European *-ótr̥ (cognate)

← Proto-Italic *-ontnos (derived)

← Proto-Italic *-ontinos (mention)

← Latin sequor (mention)

← Latin secundus (mention)

← Latin orior (mention)

← Latin oriundus (mention)

← Latin lābor (mention)

← Latin lābundus (mention)

← Latin -bundus (mention)

← Latin -cundus (mention)

→ Latin rotundus (mention)

→ Latin oriundus (mention)

→ Latin -bundus (mention)