Liddell-Scott-Jones

ἀθροίζω (athroizō) to gather ^G:V

ἀθροίζω,

Attic dialect ἁθροίζω; aorist ἤθροισα[Refs 5th c.BC+]: perfect ἤθροικα[Refs 1st c.AD+] —passive, aorist ἠθροίσθην: perfect ἤθροισμαι: pluperfect ἤθροιστο[Refs 7th c.BC+]: (ἀθρόος):—gather together, collect, muster, ἀ. λαόν, etc., [Refs 5th c.BC+]; Τροίαν ἀ. gather the Trojans together, [Refs]; πνεῦμ᾽ ἄθροισον collect breath, [Refs 4th c.BC+]; περιπλοκὰς λόγων ἀθροίσας having strung together, [Refs 5th c.BC+]: absolutely, hoard treasure, [Refs 4th c.BC+]:—middle, gather for oneself, collect round one, [Refs 5th c.BC+]:—passive, to be gathered or crowded together, εὖτε πρὸς ἄεθλα δῆμος ἠθροΐζετο[Refs 7th c.BC+]; ἁθροισθέντες having rallied, [Refs 5th c.BC+]; τὸ δὲ.. ξύμπαν ἡθροίσθη δισχίλιοι but the whole amounted collectively to.., [Refs]; ἐνταῦθα ἡθροίζοντο they mustered in force there, [Refs]; form a society, [Refs 5th c.BC+]; ἀθροισθέντες having formed a party, [Refs 4th c.BC+] taken in the aggregate, [Refs 5th c.BC+]

__2 in passive of the mind, ἁθροίζεσθαι εἰς ἑαυτόν collect oneself, [Refs 5th c.BC+]; φόβος ἥθροισται fear has gathered strength, [Refs 5th c.BC+]