What is the meaning of Eens?

plural of een

once, one time

sometime, at an unspecified time

modal particle which gives a slightly softer tone to requests or imperatives

even

once, as soon as

of one accord or opinion, in agreement

genitive masculine/neuter of een; of a

one

one (numerical value represented by the Arabic numeral 1; first positive number in the set of natural numbers)

Source: wiktionary.org