Funny... I probably never came over this word before because I've rarely (maybe never?) got in the situation when it's being used. Anyway, ladies and gentlemen, meet the Hebrew word for hangover: חֲמַרְמוֹרֶת.

There are two interesting things associated with this word:

By pure accident, I've seen this spelling in Google: פרוור (full vocalization: פּרַוָר.) I think, I've never seen it beforehand, or maybe it just never drew my attention. Somehow I used to read it "parvar" with the V-sound, but the only spelling I've ever seen was פרבר. I looked at Wikipedia then, and discovered couple of interesting things.

Let's take look of a simple dialog: visitors from America arrives to their relatives' house in Israel. This conversation is full of little words you might hear all around you among Israelis:

Numbers in Hebrew. Part 3. Hundreds, thousands, and more.

Some of you had probably heard the name "Me'a She`arim". Know the meaning? Bingo, "Hundred Gates". מֵאָה [ me'a ] means hundred. (In spoken Hebrew it's also pronounced as [ me'a ], with the stress on the first syllable.)

Numbers in Hebrew. Part 2. Numbers from 11 to 19 and beyond

Now, after we've learned some basics about numericals, let's take a look on an advanced part.
First of all, we've only covered numericals from 1 to 10. What about the numbers beyond that?

The -teen numbers in Hebrew are formed as a combination ("smikhut") of a number and a word "asar"/עָשָׂר (or "esre"/עֶשְׂרֶה.)

Remember, the "One, who knows" song? Shneim-asar shivtaya (שנים-עשר שבטיא) - the Twelf Tribes. You may ask, why it's "esre"(f)/"asar"(m) rather than familiar "eser"(f)/"asara"(m), or my G-d, it's conusing! And the answer would be: for the same reason "-teen" is not "exactly" "ten", buddy. So, here come the numbers from 11 to 19: ahat-esre, shteim-esre, shva`-esre, etc. (Try to memorize them in the feminine form, which is used for counting.)