What does the word קֹדֶשׁ (sometimes קודש), kodesh, mean? Its form is that of a noun, like אֹכֶל or בֹּקֶר or לֹבֶן. But קדושה is a noun, and (I'm pretty sure) it means "the state/quality of being ...
Is it proper to say "Welcome back" after someone visits Israel because of the lower level of Kedussah between Israel and Chutz LaEretz?
What do the terms קדוש (Kadosh), קדושים, קדושה, and קדיש really mean?