seniculus
Could not find seniculum in Logeion dictionaries.
seniculum Noun: masculine genitive plural, Noun: masculine accusative singular of seniculus
sĕnĭcŭlus, i, m. dim. [senex],
- a little old man, only Ap. Met. 1, 25, 4.
seniculus, ī, m. (Demin. v. *senicus, wov. senica u. senex), das alte Männchen, Apul. met. 1, 25.
sĕnĭcŭlus, ī, m. (senex), petit vieux : Apul. M. 1, 25.