1. 字根：etymology 语源 | etymon 字根 | etypic 转变的

2. 本义：被式自定步调的阅读方法 subject-paced reading | 本义 etymon | 本字 original character

3. 字的原形/字根：etymology /语源/语源的说明/语源学/品词论/ | etymon /字的原形/字根/ | eubacteria /真细菌/

4. 字的原形：字辞注解的glossarial | 字的原形etymon | 字典dictionarycharacterdictionaryGlossarywordbook

noun

1. a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes

Synonym: root