GlennDean wrote:For a 2nd aorist verb, we form the pt.aa.nsm as
"aorist stem" + "connecting vowel" + ντ + - (example: βαλ + o + ντ + - ==> βαλων)
So I was understanding things that for an athematic 2nd aorist active verb, we would simply "remove the connecting vowel":
For athematic 2nd aorist verb:
"aorist stem" + ντ + -
Actually it is not like that. For that particular type of third declension which the active aorist masculine participle always uses, the "original" endings are:
SN: ς (when the stem ends in ν / ρ / σ / οντ: [τ]ς is removed and last vowel is lengthened)
SA: α (when the stem ends with ι / υ / { ι + τ / δ / θ }: same as nominative but with ς replaced by ν)
SD: ι
SG: ος
PN: ες
PA: ας
PD: σι[ν]
PG: ων
This is why in the active masculine participle the connecting vowel "ο" if present is lengthened to "ω" and "τς" is dropped. Likewise, for the participles with stem ending in "σα", "α" is a long vowel and the "ς" is not dropped, but "ντ" is dropped.
Not unexpectedly, "αναβαινω" has aorist participles exactly akin to those of "προβαινω".
See
Funk 1540.1 and all the other sections for details on the third declension.
And thanks Carl for the history of the verb stem!