ین

Ultimately from Chinese 圓／圆 (yuán).

• IPA^(key): /jen/

ین • (yen)

1. yen (currency)

From Middle Persian [script needed] (-yn /-ēn/), from Proto-Iranian *-ayHnah.

• (Classical Persian) IPA^(key): /eːn/
• (Iranian Persian) IPA^(key): /iːn/

ـین • (-in, -ên)

1. Suffix which forms adjectives of material or quality; -en

From Arabic ـِينَ‎ (-īna, genitive/accusative plural suffix). The case distinction, which is alien to Modern Persian, was lost, but the Arabic nominative form ـُونَ‎ (-ūna) came to be used with nisba nouns for euphonic reasons.

• (Classical Persian) IPA^(key): /iːn/
• (Iranian Persian) IPA^(key): /iːn/

ـین • (-in)

1. (dated, literary) A plural suffix used with certain nouns denoting persons, generally of Arabic origin.

• While many Arabic broken plurals as well plurals in ـات‎ (-ât) remain current in contemporary Persian, those in ـین (-in), ـون (-un) are now highly literary.

• ون‎ (-un) (used with nouns ending in ی‎ (-i))

Local.

• (Standard Urdu) IPA^(key): /iːn/
• (Deccani) IPA^(key): /iːn/
• Rhymes: -iːn

ـِین • (īn) (Hindi spelling -ईन)

1. Suffix which form the plural of nouns that do not end with ی (ye).

• “ین”, in اُردُو لُغَت (in Urdu), Ministry of Education: Government of Pakistan, 2017.