铢 (zhū): an ancient unit of weight (one…

Meanings

做学问须铢积寸累。

Zuò xuéwèn xū zhū jī cùn lěi.

Scholarship must be built up bit by bit, inch by inch.

价钱大约两百铢。

Jiàqian dàyuē liǎng bǎi zhū.

The price was about two hundred baht.

usage

Classically a minute weight (24 to a tael), giving idioms like 锱铢必较 and 铢积寸累 ('accumulate bit by bit'). In modern use 铢 also names the Thai baht.

radical

钅 jīn

metal

Left side 钅 is the metal radical 金 in side form, used for words about money and weight standards — both senses of this character fit.

phonetic

朱 zhū

vermilion; sound element

Right side 朱 supplies the reading zhū exactly; the same phonetic appears in 珠 and 株.

铢 zhū