αὐτόσε
From LSJ
ἀναπηδῆσαι πρὸς τὸν πάππον → jumped up on his grandfather's knees, sprang up into his grandfather's lap
English (LSJ)
Adv.
A thither, to the very place, ἀπιέναι v.l. in Hdt.3.124 ; καταβαίνειν Ar.Lys.873; αὐτομολεῖν Th.7.26, etc.; σφενδόνῃ οὐκ ἂν ἐφικοίμην αὐτόσ' Antiph.55.20.