From Proto-Celtic *ɸarebereti. Equivalent to ar- + beirid.
ar·beir (prototonic ·airbir, verbal noun airbert)
For quotations using this term, see Citations:arbeir.
| 1st sg. | 2nd sg. | 3rd sg. | 1st pl. | 2nd pl. | 3rd pl. | Passive sg. | Passive pl. | ||
|---|---|---|---|---|---|---|---|---|---|
| Present indicative | Deut. | ar·beir | arid·beram (with infixed pronoun id-) | ar·berat | ar·berar | ar·bertar | |||
| Prot. | ·airbir | ·airberar | |||||||
| Imperfect indicative | Deut. | ar·mbertis | |||||||
| Prot. | ·erbirmis | ||||||||
| Preterite | Deut. | ar·bert | |||||||
| Prot. | |||||||||
| Perfect | Deut. | ar·ruburt | ar·rubart | ar·rubartatar | |||||
| Prot. | ·arbart | ·arrbartatar | |||||||
| Future | Deut. | ||||||||
| Prot. | ·airbéer | ·erbéra | |||||||
| Conditional | Deut. | ||||||||
| Prot. | ·erbérad | ||||||||
| Present subjunctive | Deut. | ara·mbere (relative) | ara·mbera (relative); ara·roibrea (ro-form) | ara·mberam (relative) | *ar·berat | ar·mberthar (relative) | ar·bertar | ||
| Prot. | ·arbera | ·arbaram | ·airbirid | ·arbarat | |||||
| Past subjunctive | Deut. | ar·berainn | ar·berad | ||||||
| Prot. | ·airbertha | ·airbertis | ·airberthe | ||||||
| Imperative | airbir | ||||||||
| Verbal noun | airbert | ||||||||
| Past participle | erberdu (dative singular); airbirthi (nominative plural) | ||||||||
| Verbal of necessity | erbirthi | ||||||||
| radical | lenition | nasalization |
|---|---|---|
| ar·beir | ar·beir pronounced with /-β(ʲ)-/ |
ar·mbeir |
Note: Certain mutated forms of some words can never occur in Old Irish.
All possible mutated forms are displayed for convenience.