ere
Ere (preposition) means Before; earlier than (an old-fashioned or literary word). Example: “He vowed to return ere nightfall.”
How to use ere
Learner’s notesIn plain EnglishAn old-fashioned or poetic way of saying "before."
Don't confuse with "air" or "heir" — they sound alike but are unrelated.
Archaic/literary — you will meet it in older poetry and fiction, not in everyday modern English.
Fill the gap
Can you complete this real example?
He vowed to return _____ nightfall.
Etymology
From Old English ǣr ("early, before"), the same root that gives us "early" and "erstwhile."