The function of prefix me- basically is to form an active verb from a root word. Specifically we can break it down below:

1. To do something

tulis (write) 🡪 menulis (to write)

tari (dance) 🡪 menari (to dance)

1. To form or turn something into

keras (hard) 🡪 mengeras (to harden)

beku (frozen) 🡪 membeku (to be frozen)

1. To do something with tools

cangkul (how) 🡪 mencangkul (to use hoe)

gunting (scissors) 🡪 menggunting (to use scissors)

1. Acting like or in a state of as (usually used to show status of someone)

bujang (single) 🡪 membujang (in a state of single)

janda (widow) 🡪 menjanda (in a state of widow)

1. Looking for or collecting something

dammar (resin) 🡪 mendamar (looking for resin)

rotan (rattan) 🡪 merotan (looking for rattan)

1. To show feelings

iba (pity) 🡪 mengiba (to show pity)

aduh (ouch) 🡪 mengaduh (to show that it hurt)

1. To go somewhere

tepi (edge) 🡪 menepi (to go to the edge)

darat (land) 🡪 mendarat (to go to the land / landing)