Usage: 3 forms in 23 verses
Form Translated As     In Verse(s)
βουκόλια herds LXX.Deut.7.13LXX.Deut.28.4LXX.Deut.28.18LXX.Deut.28.51LXX.1Sam.8.16LXX.1Sam.14.32LXX.1Sam.15.21LXX.1Sam.27.9LXX.1Sam.30.20LXX.2Sam.12.2LXX.2Kgs.5.26LXX.Joel.1.18
βουκολίων herds LXX.Exod.13.12LXX.Lev.22.19LXX.Lev.22.21LXX.1Sam.15.9LXX.1Sam.15.15
of herds LXX.Isa.65.10LXX.Amos.6.4
βουκολίου herd LXX.Lev.23.18LXX.Eccl.2.7
his herd LXX.2Sam.12.4
of herd LXX.2Chr.13.9

Liddell-Scott-Jones

βουκόλιον (boukolion) a herd G:N-N

βουκόλιον-ιον, τό,

herd of cattle, [Refs 5th c.BC+]

__2 τὰ β. district of lower Egypt, inhabited by shepherds, [Refs 2nd c.AD+]
__II means of beguiling, πενίης [Refs 1st c.AD+]