oirthí

an oirthí mhór /ǝN´ er´hi: wo:r/ agus an oirthí bheag seem to refer to two particular pieces of land, i. they are the names of two pieces of rich fertile land. Cf. the Erris adj. for fertile 'oireamhail' / ˡer´hu: l´/, D. Additions I, aireamhail.