antemeridian
'Ante meridiem', meaning 'before noon'.
antemeridian
Ante Meridiem for short is AM and they both mean before noon.
nose
"Meridiem" is a Latin word that translates to "midday" or "noon" in English. It is commonly used in the terms "AM" (ante meridiem, meaning "before midday") and "PM" (post meridiem, meaning "after midday") to denote time before and after noon, respectively.
ere
Midday
morning
Forenoon This means morning. It is not in common usage, but is a direct antonym of afternoon, meaning "before noon".
Midnight
The Latin word post meridian is equivalent to the English word "after noon".
No is a word. On is a word.