ago
Listen:Concise Oxford English Dictionary © 2008 Oxford University Press:
ago/əˈɡəʊ/
▶adverb before the present (used with a measurement of time).
– origin ME ago, agone, past part. of the obs. verb ago ‘pass’, used to express passage of time.
usage: When ago is followed by a clause, the clause should be introduced by that rather than since, e.g. it was sixty years ago that I left this place (not it was sixty years ago since I left this place).
'ago' also found in these Oxford entries:
Acheulian
- Archaean
- Atlantic
- Aurignacian
- Azilian
- boreal
- Cambrian
- Carboniferous
- Cenozoic
- Clovis
- couple
- Cretaceous
- Cro-Magnon
- Devonian
- dot
- Eocene
- erewhile
- erst
- Folsom
- Gravettian
- Holocene
- Jurassic
- K/T boundary
- lang syne
- lately
- lias
- long
- Magdalenian
- Maglemosian
- Mesozoic
- Miocene
- moon
- Mousterian
- Natufian
- Neanderthal
- Neogene
- old
- Oldowan
- Oligocene
- only
- Ordovician
- other
- Palaeocene
- Palaeogene
- Palaeozoic
- Permian
- Phanerozoic
- Pleistocene
- Pliocene
