It's the past tense of the verb "varan" (വരൻ), which means "to come".
Here are some examples:
* Aavan vannu. (ആവൻ വന്നു.) - He/She came.
* Njaan vannu. (ഞാൻ വന്നു.) - I came.
* Ningal vannu. (നിങ്ങൾ വന്നു.) - You came.
It's the past tense of the verb "varan" (വരൻ), which means "to come".
Here are some examples:
* Aavan vannu. (ആവൻ വന്നു.) - He/She came.
* Njaan vannu. (ഞാൻ വന്നു.) - I came.
* Ningal vannu. (നിങ്ങൾ വന്നു.) - You came.