Where does “opziener” come from?

opziener (Dutch) comes from Dutch opzien, from Dutch zien, from Middle Dutch siën, from Old Dutch sīan, from Proto-West Germanic sīhwan, from Proto-Germanic sīhwaną, from Proto-Indo-European seykʷ-, from Proto-Indo-European sey- — to be wet; dribble; run; to stretch one's arm;...

Ancestry of “opziener”, step by step

StepLanguageWordMeaning
1Dutchopziento look upwards; to raise one's eyes
2Dutchziento see
3Middle Dutchsiënto filter, to seep
4Old Dutchsīan
5Proto-West Germanicsīhwanto filter
6Proto-Germanicsīhwanąto filter
7Proto-Indo-Europeanseykʷ-to moisten; to filter
8Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...
Every word from Proto-Indo-European sey-Every word from Proto-Indo-European seykʷ-Every word from Proto-Germanic sīhwaną