Dict: strongs - months
Strongs:
G5072 @ τετράμηνον tetramēnon tet-ram'-ay-non Neuter of a compound of G5064 and G3376; a four months' space: - four months.
G5150 @ τρίμηνον trimēnon trim'-ay-non Neuter of a compound of G5140 and G3376 as noun; a three months' space: - three months.