熔岩
róng​yán

lava

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

岩 yán cliff

The rocks 石 that make up a mountain 山

Components

山
山 Meaning component
shān mountain
石
石 Meaning component
shí stone

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartngæm[ŋ]ˤr[a]m (< uvular?)rocky, lofty
Zhengzhangŋraːm
Unicodengam

Sources

Readings & variants
Unicode
Historical pronunciations
Baxter-SagartZhengzhang Shangfang