from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. In linguistics, particularly Indo-European Studies, signifying a stem which alternates between more than one form when declined for grammatical case. Examples of heteroclitic noun stems in Proto-Indo-European include *wod-r/n- "water" (nominoaccusative *wódr; genitive *udnés; locative *udén) and *yékw-r/n- "liver" (nominoaccusative *yékwr, genitive *ikwnés). In Proto-Indo-European, heteroclitic stems tend to be noun stems with grammatically inanimate gender.
- n. A heteroclitic noun.
from the GNU version of the Collaborative International Dictionary of English
- adj. Deviating from ordinary forms or rules; irregular; anomalous; abnormal.
from The Century Dictionary and Cyclopedia
- n. Same as heteroclite.
Thus, the heteroclitic verb car-tanaiy (present stem kunau, past stem kar- or car) had the past participle kr̥-ta-, which yields New Persian kard-an (present stem -kon-, past stem kard-).
First, the genitive should be *udnós because it's a heteroclitic inanimate.
Maybe you'll understand better my point of view when I talk about the origin of heteroclitic stems in Mid IE, word-final denasalization and QAR :
It would be heteroclitic, to place the brains of Brother Jonathan in the South.
Even Jaan Puhvel in Hittite Etymological Dictionary, vol.6 as of 2004 notes the immense problems under the heading milit(t)-:The precise accordance between Hittite and (already Mycenaean) Greek [...], and cognates elsewhere [...], are at serious variance with the heteroclitic postulation *meli-t/mel-nes (e.g.