| Athematic programme could include specific mechanisms to exchange experiences and resources for assistance in that specific area. |
| The athematic or irregular verbs generally omit the use of a theme vowel and frequently vary their stems. |
| In Greek, athematic verbs are a closed class of inherited forms from the parent Indo-European language. |
| In athematic conjugation, the final long vowel of the verbal stem becomes short in the plural number. |
| Athematic roots lack a theme vowel, and attach their inflections directly to the root itself. |
| Ultimate PIE reconstructed verbal roots are written even without an athematic or thematic ending. |
