Strong's #118: athleo (pronounced ath-leh'-o)
from athlos (a contest in the public lists); to contend in the competitive games:--strive.
Thayer's Greek Lexicon:
̓́
athleō
1) to engage in a contest, contend in public games, contend for a prize
2) to endure, suffer
Part of Speech: verb
Relation: from athlos (a contest in the public lists)
Citing in TDNT: 1:167, 25
Usage:
This word is used 2 times:
2 Timothy 2:5: "if a man also strive for masteries, yet is he not crowned, except he strive"
2 Timothy 2:5: "yet is he not crowned, except he strive lawfully."