What is "dolichyl"

Dolichyl, related to Dolichol, is used in the names of:

• Dolichyl beta-D-glucosyl phosphate, a molecule involved in glycosylation
• Dolichyl-diphosphate—polyphosphate phosphotransferase (EC 2.7.4.20)
• Dolichyl-diphosphooligosaccharide—protein glycotransferase (EC 2.4.1.119)
• Dolichyl-phosphatase (EC 3.1.3.51)
• Dolichyl-phosphate alpha-N-acetylglucosaminyltransferase (EC 2.4.1.153)
• Dolichyl-phosphate beta-D-mannosyltransferase (EC 2.4.1.83)
• Dolichyl-phosphate beta-glucosyltransferase (EC 2.4.1.117)
• Dolichyl-phosphate D-xylosyltransferase (EC 2.4.2.32)
• Dolichyl-phosphate-mannose—glycolipid alpha-mannosyltransferase (EC 2.4.1.130)
• Dolichyl-phosphate-mannose-protein mannosyltransferase (EC 2.4.1.109)
• Dolichyl-xylosyl-phosphate—protein xylosyltransferase (EC 2.4.2.33)
• UDP-N-acetylglucosamine—dolichyl-phosphate N-acetylglucosaminephosphotransferase (EC 2.7.8.15)