乳牙
rǔ​yá

baby tooth

乳 rǔ breast, milk

Depicts a mother holding (爫) a child (子) breastfeeding it.

Components

爫
爫 Iconic component
zhǎo hand, claw

爫 is a component form of 爪. Depicts a hand.

子
子 Iconic component
zi, zǐ child
◎
◎ Iconic component
characterless component

Depicts a mother breastfeeding.


Character Evolution

Oracle form
Oracle Bone ~1250-1000 BC
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Qin 221-206 BC
Clerical form
Clerical Eastern Han 25-220 AD
Regular Modern

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-SagartnyuXnoʔ milk; nipple

說文解字

《說文》：“乳，人及鳥生子曰乳，獸曰產。从孚，从乙。乙者，玄鳥也。《明堂》、《月令》：‘玄鳥至之日，祠于高禖以請子。’故乳从乙。請子必以乙至之日者，乙春分來，秋分去，開生之候鳥，帝少昊司分之官也。”

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)

牙 yá tooth

Depicts top and bottom teeth touching each other.

Character Evolution

Bronze form
Bronze Mid Western Zhou ~900 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Bronze form
Bronze Late Western Zhou ~800 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Warring States (Chu) 475-221 BC
Seal form
Seal Western Han 202 BC-9 AD
Seal form
Seal Shuowen ~100 AD
Seal form
Seal Shuowen ~100 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Western Han 202 BC-9 AD
Clerical form
Clerical Three Kingdoms (Cao Wei) 222-280 AD
Regular Modern

Component uses

Sound (7 of 18 verified)

与呀雅耶邪讶鸦芽伢蚜與迓砑岈訝鴉枒玡

Meaning (1 of 2 verified)

穿砑

Unknown (0 of 1 verified)

牚

Historical Pronunciations

Middle ChineseOld ChineseGloss
Baxter-Sagartngaem-ɢˤ<r>a tooth

說文解字

《說文》：“牙，牡齒也。象上下相錯之形。，古文牙。”

Sources

Character origin
季旭昇《說文新證》p.139-140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)