yäg = ice
alternate spelling: yaeg
Some things Google found for "yag":
Yag is an unusual last name. Yag is a rare first name. YAG is an acronym for yttrium aluminum garnet which is a synthetic material used in lasers. Yag is the name of a place in Russia.
Word derivation for "ice" :
Hungarian = jég (which I transliterate to yég)
Finnish = jää (which I transliterate to yää)
Samgur = yäg
The Hungarian and Finnish words are similar.