Usage: 5 forms in 7 verses
Form Translated As     In Verse(s)
ανδρείων of vigorous LXX.Prov.10.4LXX.Prov.13.4
vigorous LXX.Prov.15.19
ανδρείου of vigorous LXX.Prov.21.5
ανδρείοσ A vigorous man LXX.Prov.28.3
ανδρείοι vigorous LXX.Prov.11.16
ανδρείαν a vigorous LXX.Prov.31.10

Liddell-Scott-Jones

ἀνδρεῖος (andreios) vigorous G:A

ἀνδρεῖος, α, ον,

Ionic dialect ἀνδρ-ήιος, η, ον (codices of [Refs 5th c.BC+]:— of or for a man, στέγη uncertain in [Refs 5th c.BC+]; opposed to γυναικεῖος, [Refs 5th c.BC+]; αὐλός (see. αὐλός) [Refs 5th c.BC+]; . ἀγορά the men's market, [Refs]; ἀνδρεῖος (i.e. σύλλογος) [Refs]vestem virilem, [Refs 3rd c.AD+]; . ἱμάτιον, = toga virilis, [Refs 1st c.AD+]

__II manly, masculine, courageous, ῥώμη[Refs 5th c.BC+]; even of women, [Refs 4th c.BC+]; and in bad sense, stubborn, ἀναίσχυντος καὶ . τὰ τοιαῦτα[Refs 5th c.BC+]. adverb -ως[Refs 5th c.BC+]: superlative -ότατα[Refs 5th c.BC+]
__II.2 of animals, [Refs 5th c.BC+]
__II.3 of things, strong, vigorous, λαφυγμός[Refs 5th c.BC+]
__III ἀνδρεῖα, τά, the public meals of the Cretans, also the older name for the Spartan φειδίτια or φιλίτια (which see), [Refs 7th c.BC+]:—also ἀνδρήιον, τό, Cretan for the public hall, [Refs]
__IV ἀνδρεῖον, τό, ={σίνηπι ἄγριον}, Ps.-[Refs 1st c.AD+]