English

lattermost

From latter + -most.

Formed from latter + -most

Proto-Indo-European *leh₁d- ‘to be tired’

…

Proto-West Germanic *lat ‘slow’

Old English læt ‘late’

Old English lætra

Middle English latter

Today it means

adj Last.

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

Etymograph / lattermost