Strong’s Greek
G1642 — elattoo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐλαττόω
elattoo — pronounced el-at-to'-o
from 1640; to lessen (in rank or influence):--decrease, make lower. see GREEK for 1640
3 occurrences in the KJV.
John 3:30
He must increase, but I must decrease.
Hebrews 2:7
Thou madest him a little lower than the angels; thou crownedst him with glory and honour, and didst set him over the works of thy hands:
Hebrews 2:9
But we see Jesus, who was made a little lower than the angels for the suffering of death, crowned with glory and honour; that he by the grace of God should taste death for every man.