Strong's #4728: stenos (pronounced sten-os')
probably from the base of 2476; narrow (from obstacles standing close about):--strait.
Thayer's Greek Lexicon:
́
stenos
1) narrow, strait
Part of Speech: adjective
Relation: probably from the base of G2476
Citing in TDNT: 7:604, 1077
Usage:
This word is used 3 times:
Matthew 7:13: "Enter ye in at the strait gate: for wide is the"
Matthew 7:14: "Because strait is the gate, and narrow is the way,"
Luke 13:24: "to enter in at the strait gate: for many, I say"