مطمئن
Root: طمأن
Hans Wehr Definition
مطمئن muṭma’inn (of land) low, low-lying; calm, quiet, at ease, composed, (re)assured, tranquil, serene, peaceable, peaceful, safe, secure; sure, certain; trusting, confident, of good hope
Enhanced with root mapping — integrated with Lane's Lexicon & Al-Mawrid
Root: طمأن
مطمئن muṭma’inn (of land) low, low-lying; calm, quiet, at ease, composed, (re)assured, tranquil, serene, peaceable, peaceful, safe, secure; sure, certain; trusting, confident, of good hope