#1619 ἐκτενῶς ektenos {ek-ten-oce'}

 from G1618; TDNT - n/a; adv

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) earnestly, fervently, intensely

 ++++
 From a verb which means to "stretch out the hand.", thus it means to
 be stretched out -- earnest, resolute, tense.

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - fervently 1; 1

—Exhaustive Concordance (KJV Translation Frequency & Location)