Denshi Jisho — Online Japanese dictionary

あお 1: blue;
2: green;
3:
4: (Abbreviation) green light;
5: black (horse coat color); (Prefix) immature; unripe; young
Noun 
あおい blue; green
Out-dated kanji, Adjective 
あおあお verdant; fresh and green; bright green; lush
Out-dated kanji, Adverb, Adverb taking the 'to' particle 
あおあお verdant; fresh and green; bright green; lush
Out-dated kanji, Adverb, Adverb taking the 'to' particle 
へきがん blue eyes
Noun 
へきくう blue sky; azure sky
Noun 
へきざん green mountains
Noun 
へきすい blue water; green water
Noun 
へきぎょく jasper
Noun 
へきしょく green; emerald
Noun 
眼紅毛 へきがんこうもう blue eyes and red hair; Westerner
Noun 

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