What is the meaning of Sulung?

A unit of land in medieval Kent, comparable to the hide and the carucate.

firstborn, born first in a family

firstfruit, firstfruits: an offering of the first of the harvest

small flying ant which comes out at night

to put firewood into the stove (so the fire burns bigger)

romanization of ꦱꦸꦭꦸꦁ

to advance

earliest; eldest

ellipsis of anak sulung (“eldest, firstborn, born first in a family”)

Source: wiktionary.org