אֵיתָן‎ (ʼêythân|ay-thawn'|adjective|perennial)
[Heb] אֵיתָן‎ ETCBC: אֵיתָן‎ (adjv|ever-flowing) OSHL: j.ee.ab TWOT: 935a GK: H419 Greek: δυνάστης, ἰσχυρός, κράτος, τραχύς, χώρα
Derivation: or (shortened) אֵתָן‎ ; from an unused root (meaning to continue);
Strong's: permanence; hence (concrete) permanent; specifically a chieftain
KJV: hard, mighty, rough, strength, strong.