Ἰσαάκ
From LSJ
φωνὰ τύ τίς ἐσσι καὶ οὐδὲν ἄλλο → it's all voice you are, and nothing else | it's all voice ye are, and nought else
English (Strong)
of Hebrew origin (יִצְחָק); Isaac (i.e. Jitschak), the son of Abraham: Isaac.
English (Thayer)
ὁ, indeclinable (יִצְחָק, from צָחַק to laugh: Josephus, Ἰσακος, Ἰσακου), Isaac, the son of Abraham by Sarah: ἰσάγγελος, ἰσαγγελον (ἴσος and ἄγγελος, formed like ἰσόθεος (cf. ἰσάδελφος (Euripides, Or. 1015), ἰσάστερος (συναγωγή κτλ., p. 166f)), like the angels: ἴσος ἀγγέλοις γεγονώς, Philo de sacr. Ab. et Cain. § 2; Winer's Grammar, § 34,3cf., p. 100 (95)).)
