熔核
róng​hé

weld nugget

熔 róng melt

To form 容 hot metal 火; 容 also provides the pronunciation

Components

火
火 Meaning component
huǒ fire
容
容 Meaning component
róng contain; appearance

Historical Pronunciations

Old Chinese
Zhengzhangloŋ

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang

核 hé seed, kernel, core

Phonosemantic compound. 木 represents the meaning and 亥 represents the sound.

Components

木
木 Meaning component
mù tree
亥
亥 Sound component
hài, jiē 12th terrestrial branch

Character Evolution

Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Eastern Han 25-220 AD
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartheak[g]ˤ<r>ək kernel fruit; scrutinize

說文解字

《說文》：“核，蠻夷以木皮為篋，狀如籨尊。从木，亥聲。”

Sources

Character origin
漢語多功能字庫
Readings & variants
Unicode
Historical pronunciations
Baxter-Sagart
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)