arduous

Etymology
From, akin to Irish.

Adjective

 * 1) Needing or using up much energy; testing powers of endurance.
 * 2)  burning; ardent
 * 3) * 1805-1814, Dante, (translator), The Divine Comedy
 * "en"
 * 1)  burning; ardent
 * 2) * 1805-1814, Dante, (translator), The Divine Comedy
 * "en"

- Where flames the arduous Spirit of Isidore.


 * 1) Difficult or exhausting to traverse.

Translations

 * Arabic: شَاق
 * Bulgarian:, ,
 * Catalan:
 * Chinese:
 * Cantonese: 艱苦, 艱巨
 * Mandarin: ,
 * Danish: anstrengende,
 * Dutch:, ,
 * Finnish:, , , ,
 * French:
 * German:, , ,
 * Hungarian:, ,
 * Italian:
 * Japanese: ,
 * Korean:, 힘드는
 * Norwegian: slitsom,
 * Polish: ,
 * Portuguese:
 * Russian:, ,
 * Serbo-Croatian:
 * Spanish: ,
 * Swedish:, , , , , ,
 * Turkish:, , , ,


 * Bulgarian: ,
 * Catalan:
 * Dutch:, , , moeilijk te beklimmen
 * Finnish: ,
 * German:
 * Hungarian:
 * Italian:
 * Norwegian:
 * Persian: صعب‌العبور, دشوارگذر
 * Portuguese:
 * Russian: ,
 * Spanish:
 * Swedish: ,
 * Tajik: саъбулубур, душворгузар
 * Turkish: ,


 * Bengali:
 * Ido: (1),  (2)