aruvi > ri > rītí in other East Indo-European Languages (21)
Turner’s A Comparative Dictionary of the Indo-Aryan Languages says Sanskrit word rītí means “stream.” The word rītí is derived from the root ri, meaning “method and manner.” He also gives cognates of rītí in other east Indo-European languages:
Prakrit rīi-; Oṛiyā ria; Gujarātī rī.
All these cognates and the following words related to rītí originate from the Tamil root aruvi.
raya, stream, current. *rayaṇa, flowing. *rīṇi, stream. rī́yatē, melts, flows. rīṇa-, melted. rēpayati, causes to flow or melt. *rēya, to be poured. *avarīyatē, flows down. *avarīṇa- see *avarīyatē. *avarēpayati see *avarīyatē. *udrīyatē, runs out, is dissolved, is broken. *udruṣati, is vexed. *prarīti, stream. prárīyatē, streams forth. *virāyayati, causes to melt. *virīyatē, is melted. *virāyayati, melts. *virīṇa-, melted. *vyārīṇa, melted away. *saṁrīyatē, flows together.