English

anomer

From ano- (“upwards, above”) + -mer.

A compound of ano- ‘upwards, above’ + -mer

Proto-Indo-European *h₁eh₂nos ‘ring’

Proto-Italic *ānos ‘ring’

Latin ānus ‘an ankle cuff’

Today it means

noun Any diastereoisomer of a sugar or derivative differing in configuration only at C-1 of an aldose or C-2 of a ketose.

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