淵

deep pool / deep / profound

origin / source / relationship

(lit.) gathering place of fish or other creatures / (fig.) haunt / lair / nest / den / hotbed

profound (knowledge) / erudite

deep and still / sound of a drum

profundity / depth

deep and profound meaning

profound or erudite plans

erudite and sophisticated

deep valley

deep / profound

profound silence

clear, deep water

see 臨淵羨魚，不如退而結網|临渊羡鱼，不如退而结网[lin2 yuan1 xian4 yu2 , bu4 ru2 tui4 er2 jie2 wang3]

better to go home and weave a net than to stand by the pond longing for fish (idiom) / one should take practical steps to achieve one's aim

Tao Yuanming (c. 365-427), Jin dynasty writer and poet

Yan Yuan (521-481 BC), disciple of Confucius 孔夫子[Kong3 fu1 zi3], also known as 顏回|颜回[Yan2 Hui2]

nasosinusitis

vast and profound

(lit.) abyss and ocean / (fig.) vast and profound