English

allolactose

From allo- + lactose.

Proto-Indo-European *h₂el- ‘beyond, other’

Proto-Indo-European *h₂élyos ‘other, another’

Proto-Hellenic *áľľos

Ancient Greek ἄλλος ‘other’

English allo-

Latin lac ‘milk’

French lactose

Today it means

noun An isomer of the sugar lactose.

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

Etymograph / allolactose