From Old Irish ·fitir, conjunct form of ro·fitir (“know”), originally the perfect tense of ro·finnadar (“to find”), from Proto-Celtic *windeti (“find”), from Proto-Indo-European *weyd- (“to see, know”).
feadair (present indicative dependent forms only)
- to know (used only in questions or negative sentences)
- ní fheadar ― I don’t know
- an bhfeadraís... ? ― do you know... ?
- nach bhfeadair sé... ? ― doesn’t he know... ?
|Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.|