Ἀργώ
From LSJ
τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness
English (LSJ)
όος, contr. οῦς, ἡ, (ἀργός, ή, όν)
A Argo, the ship in which Jason sailed to Colchis, the Swift, first in Od.12.70:—Adj. Ἀργῷος, α, ον, of the Argo, δόρυ, σκάφος, E.Andr.793 (lyr.), Med.477. 2 the constellation Argo, Eudox. ap. Hipparch.1.2.20, Arat.342, etc. 3 tree of whose timber the Argo was built, Hsch.