From Wiktionary, the free dictionary
From làir (“mare”) + -ach.
làireach (genitive singular masculine làirich, comparative làiriche)
- pertaining to/abounding in mares
làireach f (genitive singular làirich, plural làirichean)
- filly
- Edward Dwelly (1911) “làireach”, in Faclair Gàidhlig gu Beurla le Dealbhan [The Illustrated Gaelic–English Dictionary][1], 10th edition, Edinburgh: Birlinn Limited, →ISBN