ㄦ = er
ㄦ is a final: the vowel part at the end of a syllable. In pinyin it is written er.
Pinyin erIPA /aɚ/Final · Nasal finals2 strokesFrom 儿

How to say it
Curl the tongue up while saying “er”.
Where it comes from
ㄦ comes from the character 儿, an ancient way to write 人 (person). Zhuyin symbols were made from parts of old characters in the 1910s.
Stroke order, step by step
Stroke order from Taiwan’s Ministry of Education. The dot shows where the new stroke starts.
Words with ㄦ
二
ㄦˋ
èr · two; second · TOCFL Novice 1
耳
ㄦˇ
ěr · Ear
女兒
ㄋㄩˇ ㄦˊ
nǚ ér · daughter · TOCFL Novice 2
兒子
ㄦˊ ˙ㄗ
ér zi · son · TOCFL Novice 2
耳朵
ㄦˇ ˙ㄉㄨㄛ
ěr duo · ear · TOCFL Novice 2
1 syllables with ㄦ
Make ㄦ glow.
Zhuyin Pro teaches ㄦ with sound, mouth diagrams, tracing and real words. Then it reminds you before you forget.
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