Danish is

← Proto-Germanic *īsą (inherited)

← Proto-Indo-European *h₁eyH- (derived)

← Old Norse íss (inherited)

→ Danish iste (compound)

→ Danish istid (compound)

→ Danish flødeis (compound)

→ Danish ispind (mention)

→ Danish isbjørn (compound)

→ Danish isvaffel (compound)

→ Danish indlandsis (affix)

→ Danish isbjerg (compound)

→ Danish istap (compound)

→ Danish issyl (compound)

→ Danish isvin (compound)

→ Danish isning (affix)

→ German Eis (cognate)

→ German Low German Ies (cognate)