father's elder brother / senior / paternal elder uncle / eldest of brothers / respectful form of address / Count, third of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4]
easy / amiable / to change / to exchange / prefix corresponding to the English adjective suffix "-able" or "-ible" / abbr. for 易經|易经[Yi4 jing1], the Book of Changes