Strong's #990: blemma (pronounced blem'-mah)
from 991; vision (properly concrete; by implication, abstract):--seeing.
Thayer's Greek Lexicon:
́
blemma
1) a look, a glance
Part of Speech: noun neuter
Relation: from G991
Usage:
This word is used 1 times:
2 Peter 2:8: "dwelling among them, in seeing and hearing, vexed his righteous"