What is the meaning of यम?

Yama, god of death

Yama

Devanagari form of 𑘧𑘦 (yama)

rein

driver, charioteer

suppression, restraint; self-restraint (in Yoga)

any great moral rule or duty

observance, rule

twin-born, forming a pair

a twin, one of a pair or couple

a pair or a couple

the number 'two'

a twin-letter

pitch of the voice

Yama, the god of death, afterlife and justice, the twin brother of Yamuna and believed to have been the first mortal to die

Source: wiktionary.org