Sanskrit
In Sanskrit, the desiderative is formed through the suffixing of /sa/ and the prefixing of a reduplicative syllable, consisting of the first consonant of the root (sometimes modified) and a vowel, usually /i/ but /u/ if the root has an /u/ in it. Changes to the root vowel sometimes happen, as well.
For example:
Base Form | Meaning | Desiderative | Meaning |
nayati | "he leads" | nínīṣati | "he wants to lead" |
pibāti | "he drinks" | pípāsati | "he wants to drink" |
jīvati | "he lives" | jíjīviṣati | "he wants to live" |
Read more about this topic: Desiderative Mood