ἀδελφόθεος

From LSJ

ἐκ τῆς θαλάττης ἅπασα ὑμῖν ἤρτηται σωτηρίαyour safety altogether depends upon the sea

Source

brother of Jesus, brother of God, Adelphotheos

Greek (Liddell-Scott)

ἀδελφόθεος: ὁ, οὕτω καλεῖται Ἰάκωβος ὁ ἀπόστολος· ἕτερον δὲ τῶν ἀποστόλων οὐκ εἶδον εἰ μὴ Ἰάκωβον τὸν ἀδελφὸν τοῦ Κυρίου, Παύλ. Ἐπ. π. Γαλ. α΄, 19.

Spanish (DGE)

-ου, ὁ hermano de Dios e.d. de Cristo Hippol.M.10.953C, Cyr.Al.M.69.1173C.
-ου, ὁ hermano del padre, tío paterno Poll.3.22.