Segolates are words in the Hebrew language whose end is of the form CVCVC, where the penultimate vowel receives syllable stress. Such words are called "segolates" because the final unstressed vowel is typically (but not always) segol. These words evolved from older Canaanite

Canaanite languages

The Canaanite languages are a subfamily of the Semitic languages, which were spoken by the ancient peoples of the Canaan region, including Canaanites, Israelites and Phoenicians...

 and Semitic

Semitic languages

The Semitic languages are a group of related languages whose living representatives are spoken by more than 270 million people across much of the Middle East, North Africa and the Horn of Africa...

 words that ended with two consonants; indeed, when a suffix (other than an absolute plural) is added to a segolate, the final vowel vanishes, and the penultimate vowel undergoes compensatory shortening.

In Hebrew

*Ancient	Tiberian Tiberian vocalization The Tiberian vocalization is a system of diacritics devised by the Masoretes to add to the consonantal Masoretic text of the Hebrew Bible; this system soon became used to vocalize other texts as well...		Stem		Meaning
*ʼarṥ	אֶרֶץ/אָרֶץ	ʼéreṣ/ʼāreṣ	אַרְצ-	ʼarṣ-	earth; land
*ʼurn	אֹרֶן	ʼōren	אָרְנ-	ʼorn-	pine tree
*baʻl	בַּעַל/בָּעַל	báʻal/bāʻal	בַּעֲל-	baʻăl-	husband
*zarʻ	זֶרַע/זָרַע	zéraʻ/zāraʻ	זַרְע-	zarʻ-	seed
*yayn	יַיִן/יָיִן	yáyin/yāyin	יֵינ-	yên-	wine
*malḥ	מֶלַח/מָלַח	mélaḥ/mālaḥ	מַלְח-	malḥ-	salt
*malk	מֶלֶך/מָלֶך	méleḵ/māleḵ	מַלְכּ-	malk-	king
*kalb	כֶּלֶב/כָּלֶב	kéleḇ/kāleḇ	כַּלְבּ-	kalb-	dog
*laḥy	לֶחִי/לָחִי	léḥî/lāḥî	לַחֲי-	laḥăy-	cheek; tool jaw
*ʻIbr	עֵבֶר	ʻĒḇer	עִבְר-	ʻIḇr-	Eber Eber Eber is an ancestor of the Israelites, according to the "Table of Nations" in and . He was a great-grandson of Noah's son Shem and the father of Peleg born when Eber was 34 years old, and of Joktan. He was the son of Shelah a distant ancestor of Abraham...
*ʻayn	עַיִן/עָיִן	ʻáyin/ʻāyin	עֵינ-	ʻên-	eye
*ṣadq	צֶדֶק/צָדֶק	ṣéḏeq/ṣāḏeq	צַדְק-	ṣaḏq-	righteousness

The ancient forms like *CawC (such as šawr "bull") almost universally evolved to non-segolate CôC (שׁוֹר šôr), though there are exceptions, such as the segolated proper name דָּוִד Dāwiḏ (David

David

David was the second king of the united Kingdom of Israel according to the Hebrew Bible and, according to the Gospels of Matthew and Luke, an ancestor of Jesus Christ through both Saint Joseph and Mary...

), which evolved from older *dawd. The same ancient form evolved into the Hebrew word דּוֹד dôḏ, which means "uncle" or (poetically) "beloved". The proper name also carries this meaning.

In Levantine Arabic

The Arabic language

Arabic language

Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 still permits words to end with two consonants, but Levantine Arabic

Levantine Arabic

Levantine Arabic is a broad variety of Arabic spoken in the 100 to 200 km-wide Eastern Mediterranean coastal strip...

 does not. The Levantine dialects insert a final unstressed vowel in a similar manner as Hebrew segolates.

Standard Arabic language Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...		Levantine Levantine Arabic Levantine Arabic is a broad variety of Arabic spoken in the 100 to 200 km-wide Eastern Mediterranean coastal strip...	Meaning
بئر السبع	Biʼr as-Sabʻ	Bíʼir as-Sábaʻ	Beersheba Beersheba Beersheba is the largest city in the Negev desert of southern Israel. Often referred to as the "Capital of the Negev", it is the seventh-largest city in Israel with a population of 194,300....
دمشق	Dimašq	Dimášaʼ	Damascus Damascus Damascus , commonly known in Syria as Al Sham , and as the City of Jasmine , is the capital and the second largest city of Syria after Aleppo, both are part of the country's 14 governorates. In addition to being one of the oldest continuously inhabited cities in the world, Damascus is a major...
طول كرم	Ṭūl Karm	Ṭūl Kárem	Tulkarm Tulkarm Tulkarem or Tulkarm is a Palestinian city in the northern Samarian mountain range in the Tulkarm Governorate in the extreme northwestern West Bank adjacent to the Netanya and Haifa districts to the west, the Nablus and Jenin Districts to the east...
القدس	al-Quds	al-ʼÚdus	Jerusalem