Search gender: all male female ユウキュウ Japanese Boy Names Variations. 1 names found. gender: all male female Name: yukyu Katakana: ユウキュウ 0 Kanji: 悠久 Meaning: 悠Distant in time or space. Far away. Eternal. To go on forever. Relaxed, leisurely. Tranquil. Long-hearted. Not in a hurry. 久For a long time. From long ago. From the past. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ユウキュウ Japanese Boy Names Variations.