collacteus
From LSJ
Oἱ δὲ Ἀθηναῖοι ἦσαν ἐν μεγάλῳ κινδύνῳ... (adaptation of Herodotus 6.105) → The Athenians were in great danger...
col-lactĕus: (conl-), a,
I a foster-brother, foster-sister; masc., Hyg. Fab. 224; Inscr. Orell. 678; fem., Juv. 6, 307; Mart. Cap. 1, § 6; 2, § 111.