English

hemiganglion

From hemi- + ganglion.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sēmi ‘half’

English hemi-

Ancient Greek γᾰγγλῐ́ον ‘encysted tumour on a tendon or aponeurosis’

Today it means

noun One half of a ganglion, each half carrying one of a pair of neurons

Language periods are conventional ranges, not dates for this word.

Etymograph / hemiganglion