Arius
From LSJ
ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap
Latin > English (Lewis & Short)
Ărī̆us: (Arr-), i, m., = Ἀρεῖος or Ἄριος,
I a renowned heretic, also Ārĭus, Prud. Psych. 794.—Hence, Ărīānus, a, um, adj., pertaining to Arius, Arian, Hier. adv. Lucif. 7.—Ărīāni, ōrum, m., the followers of Arius, the Arians, Hier. adv. Lucif. 7; Aug. Haeres. 49.
Ărī̆us: i, m., = Ἄρειος or Ἄριος,
I a river in Aria, now Heri, Plin. 6, 23, 25, § 93; in Amm. 23 fin. Arias.