English

hexahistidine

From hexa- + histidine.

Proto-Indo-European *swéḱs ‘six’

Proto-Hellenic *hwéks ‘six’

Ancient Greek ἕξ ‘six’

English hexa-

Proto-Indo-European *steh₂- ‘to stand (up)’

Ancient Greek ῐ̔στός ‘mast’

Today it means

noun An oligopeptide consisting of six molecules of histidine

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

Etymograph / hexahistidine