il (locative) > nidrā́ in other Indo-European Languages (81)
In Turner’s A Comparative Dictionary of the Indo-Aryan Languages, the prefix ni (positive) is primarily employed in compound forms. Sanskrit word nidrā́, meaning “sleep” is one of the compound forms with the prefix ni (positive). It has cognates in other Indo-European languages and dialects:
Pali niddā; Prakrit ṇiddā-, ṇeddā-; Apabhraṁśa ṇiṁda, ṇiddaḍī; Gypsy lindr, lindra, lindri, nendir; Kati or Katei mīnɔ; Tirāhī nīndᵃr; Bashkarīk, Tōrwālī nīn; Phalūṛa nīdrə, nīndra; Kashmiri nĕndᵃr; Sindhī niṇḍra; Lahndā nindr; Awāṇkārī (dialect of Lahndā) nī˜dur; Panjābī nī˜dar, nī˜d; Ḍogrī (dialect of Panjābī) nī˜dərᵊ; Kumaunī nīn; Nepāli nĩd, nin; Assamese nind; Bengali nid, nī˜d; Oṛiyā nida; Maithilī nī˜d, nīn; Bhojpurī niniñā; Awadhī Lakhīmpurī (dialect of Awadhī) nī˜d; Hindī nīd, nī˜d; Old Mārwāṛī nīda; Gujarātī nīdar, nidarṛī, nī˜d; Marāṭhī nīd; Koṅkaṇī nĩda; Sinhalese ninda, nin̆di-; Maiyã niž; Shina and Gilgitī (dialect of Shine) nir; Kohistānī (dialect of Shina) and Gurēsī (dialect of Shina) nī˜š; Palesī (dialect of Shina) neṣ.
In addition to nidrā́, he also provides several compound forms with the prefix ni (positive). However, the numerous words with the prefix ni (positive) are condensed, and approximately 60 to 70 words are given below for reference.
All these cognates and compound words with the prefix ni (positive) originate from the Tamil root il (locative).
*niḥṣāvyatē, “is caused to be produced.” *niḥsvara, “noise.” nikara, “heap.” *nikartati, “cuts off.” *nikiraṇa, “scattering.” *nikuṭṭa, “cutting.” *nikhāda, “pressing and cutting into.” nigari, “swallowing.” nigaraṇa, “eating.” *nigna, “washed.” *nigranthati, “intertwines.” nigharṣa, “rubbing.” *nighātana, “striking on.” *nighuṭati, “returns.” *nicamati, “sips.” *nicchāya, “shady.” nijá, “constant.” *nijahāti, “leaves.” niṇyá, “inner, hidden, secret.” *nitapta, “hot.” nídadhāti, “lays down.” *nidahana, “burning.” nidāghá, “heat, hot season.” nidā́na¹, “band, halter, primary cause.” *nidāna², “cutting down.” *nidāriṇī, “tearing.” nídrāyati, “falls asleep, sleeps.” nidhā́na, “place for depositing anything.” *nidhyā, “seeing.” nínayati, “leads to.” nípāna, “watering place.” *nipārayati, “rescues.” nípiṣṭa, “crushed.” nipīḍayati, “presses close to.” nibadhyatē, “is bound.” nibandha, “fastening, grant of property.” *nibandhati, “binds on.” nibhālayati, “perceives.” *nibhugna², “enjoyed.” *nibhuñjati, “bends down.” nimajjati, “dives in, sinks in.” *nimāpayati, “measures.” niyamayati, “restrains.” niyā́na, “way, access.” niyāmaka, “controlling.” niyukta, “bound on.” nirati, “delighting in, attachment to.” *nirānti, “peace.” nirīkṣatē, “looks at.” nírukta, “spoken out, loud, distinct.” nirukti, “explanation of a word.” *nirundhati, “estrains, wards off.” nirōdha, “confinement, control.” nirghōṣa, “sound, rattling.” *nirjahāti, “leaves.” *nirṇāśayati, “drives away, destroys.” nirdalana, “splitting.” nirdā́ha, “burning.” nirdēśa, “instruction, order.” *nirdhr̥ta, “settled.” nirbhagna, “broken asunder.” nirbhara, “excessive, violent.” nirmāṇa, “measuring.” nirmukta, “loosed, lost.” *niryuj, “tying.” *nirvarayati, “chooses.” nírvahati, “leads out of.” *nirvēdhati, “pierces.” *nilajjāpita, “put to shame.” nílīyatē, “hides oneself, disappears.” nivárta, “turning back.” nivḗśana, “entrance.” *niśamana, “calming.” niśāna, “whetting.” níśita, “sharpened.” niśraya, “refuge.” *niśvīyatē, “is swollen.” niṣkālayati, “drives out.” *niṣmārayati, “reminds.” nisvāna, “sound.”