Strong’s Greek
G5150 — trimenon
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
τρίμηνον
trimenon — pronounced trim'-ay-non
neuter of a compound of 5140 and 3376 as noun; a three months' space:--three months. see GREEK for 5140 see GREEK for 3376
1 occurrence in the KJV.
Hebrews 11:23
By faith Moses, when he was born, was hid three months of his parents, because they saw he was a proper child; and they were not afraid of the king’s commandment.