This is the 14th most frequent Danish word.
sig
"Sig" is the Danish reflexive pronoun meaning "oneself" or "himself/herself/itself/themselves," depending on the subject.
Reflexive pronoun used to indicate that the subject performs a reflexive action on themselves.
Han vasker sig.
He washes himself.
Reflexive pronoun used as part of a reflexive construction to refer back to the plural subject.
De fortalte sig selv, at de kunne klare det.
They told themselves that they could do it.
Reflexive pronoun used to describe a deliberate action performed upon oneself.