首字母 Traditional form: 首字母 Pinyin (reading): shǒuzìmǔ Definitions: initial letters Characters: 首 - chief, head, leader 字 - character, letter, symbol, word 母 - mother; female elders; female Traditional characters: 首 - chief, head, leader 字 - character, letter, symbol, word 母 - mother; female elders; female