Histling

After the fragmentation of Sanskrit, one of the innovative features that developed across the Indo-Aryan language family are the "pleonastic" suffixes, including (but not limited to) -kk-, -ḍ-, -r-, -l(l)-, and nominal diminutives -ka- (m.) and -ikā- (f.). Pleonastic means serving no semantic purpose; basically, the consensus has been that these suffixes merely served as phonological extensions to distinguish words after the collapse of many phonotactic distinctions from Sanskrit to Middle Indo-Aryan....

ṭ ~ ṭh ~ l ~ ll aṅkōṭa, aṅkōṭha, aṅkōla, aṅkōlla113 ’the small tree Alangium hexapetalum' l ~ ll *avala, *avalla819 ‘contrary’ avalīyatē, *ullīyatē833 ‘stoops; hides oneself; sticks to’ (r)dr ~ ll ārdrá, *ālla1340 ‘wet’ ārdraka, *āllaka1341 ‘ginger’ *āllabhr̥ṣṭa1408 ‘moist crop of maize’ Other *allaḍa724 ‘childish’ *allā725 ’name of a tree or plant' cullī *apa-cullī420a ‘side or secondary stove’ *ā-cullī1075 ‘small or secondary stove’ *lulla *ā-lulla1391 ‘maimed’ vallī amlavallī583 ’the plant Pythonium bulbiferum Schott'