-च्-

Learned borrowing from Sanskrit -च्- (-c-).

-च्- • (-c-)

1. used before छ (cha), only in Sanskritic formations

• The use of this interfix is itself optional in Hindi, with a lot of coined words not using this.

-च्- • (-c-)

1. used before छ (cha)

• The proper name of this interfix in Sanskrit is तुक् (tuk).
• This is used compulsorily after the shorter vowels अ (a), इ (i), उ (u), ऋ (ṛ), ऌ (ḷ) and optionally after longer vowels आ (ā), ई (ī), ऊ (ū), ॠ (ṝ), ए (e), ऐ (ai), ओ (o), औ (au).