Hello there! Welcome to the forums by the way Can I give you a hint? (look under the “big ten rules”).
Why do you accent the uncontracted imperative so? It’s ποίεε → ποιεῖ, δήλοε → δήλου. Apart from very specific cases, the accent goes as high as the last vowel will allow it to.
As for ὁρ-ᾶτε: The vowel is most definitely long; The vowels that result from a contraction are always long.
Thanks Nate, I had glossed over the rules at Smyth §166 et seq, which your post brought to my attention, and which same information I should have gleaned from Irene’s post. I must endeavour to be more careful in future.
Nate’s absolutely correct. Notice the endings that are added.
ποιε + ει - Here the long combination ει causes the accent to pull onto the ε.
ποιέ + ει > ποιεῖ - The accent remains on the syllable that was contracted.
ποιε + ε - Here the accent is not pulled toward the end of the word, since the vowel is short.
ποίε + ε > ποίει - The accent remains on the syllable before the contraction.
I think you’ll find that it’s consistent. The accent is placed on the syllable as if there were no contraction.