אֵיתָּן

eythan (ay-thawn') (or (shortened) ethan {ay-thawn'}) adj.
1. permanence
2. (hence, concretely) permanent
3. (specifically) a chieftain
[from an unused root (meaning to continue)]
KJV: hard, mighty, rough, strength, strong.

• Part of speech: adjective
• Occurrences: 8

• 1 Kings 4:31

From Strong's Hebrew and Chaldee Dictionary (1890), which is public domain. This bundle carries the words that spell biblical names and the roots they are built from; the full lexicon of 8,674 entries ships as a bulk table.