核苷 Origin — Chinese Character Wiki

hégān

nucleoside

hé seed, kernel, core

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

木 Meaning component

mù tree

亥 Sound component

hài, jiē 12th terrestrial branch

Regular Modern

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	Middle Chinese	Old Chinese	Gloss
Baxter-Sagart	heak	[g]ˤ<r>ək	kernel fruit; scrutinize

《說文》：“核，蠻夷以木皮為篋，狀如籨尊。从木，亥聲。”

A sweet 甘 plant 艹; 甘 also provides the pronunciation

艹 Meaning component

cao, cǎo grass

gān sweetness

Regular Modern

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	Old Chinese
Zhengzhang	kaːm

甘艸也。从艸从甘。