1. luk (only lukizyasi and lukita ), prob. invented to explain the following word.
2. luk ( prob. fr. √ luYc ), and gram. term to express ‘the dropping out’ or ‘disappearance’ of Pratyaya s or affixes (the symbols luk , lup , and Slu are distinguished from lopa , q.v. , and are called lumat , as containing the syllable lu ).
luk ind. A technical term used by Pāṇini to express the dropping or disappearance of affixes.