atbaill

Etymology
From Class B third-person singular neuter infixed pronoun , from. Thus literally ‘throw it’, originally either a euphemism or slang.

The preterite forms in and the verbal noun  are from   original preterite passive form of, from , , from  (via a euphemistic meaning similar to ).

Compare 🇨🇬 (from ), 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬), compare 🇨🇬, 🇨🇬.

Verb

 * 1) to perish, die

Conjugation
The identification of this verb's present conjugation class is highly controversial due to simultaneously exhibiting alternation between a nasal suffixed present (seen in the -ll- ← -ln- attested only in the present stem) and non-nasal-suffix non-present stems characteristic of B IV and B V verbs in addition to the palatalization pattern of a B I verb. Virtually every author places this verb in a different conjugation class. Thurneysen classifies this as B V, McCone classifies this as B III, Le Mair classifies this as B I, and Anderson creates an entire new conjugation class reserved for this verb,, , and.