Usage: 5 forms in 7 verses
Form Translated As     In Verse(s)
σφύρη with a hammer LXX.Isa.41.7
σφύραν hammer LXX.Judg.4.21LXX.Judg.5.26
σφύραισ a hammer LXX.Jer.10.4
σφύραι hammers LXX.Job.41.29
σφύρα a hammer LXX.1Kgs.6.7
hammer LXX.Jer.50.23

Liddell-Scott-Jones

σφῦρα (sphura) an adz TEGMC

σφῦρα, ,

hammer, [Refs 8th c.BC+]

__2 beetle, mallet, for breaking clods of earth, [Refs 8th c.BC+]
__II balk between the furrows of ploughed land, [Refs 2nd c.AD+]
__II.2 a land measure, [Refs 2nd c.AD+]
__III a fish, ={κέστρα}, [Refs]