1. Root

 1.skend

2. Lexical meanings

 DE: davonspringen, losspringen, springen
EN: arise, make an effort, set oneself in motion

3. Comparative evidence

 Italic

4. Formally comparable roots

 1.skel, 1.skep, 1.sker, 2.skel, 2.skend, 2.skep, 2.sker, sken, sek, sekh₁, sekh₂, sekh₃, skabʰ, skebʰh₁, skebʰh₂, skebʰh₃, skedh₂, skeh₁t, skeh₂t, skeh₃t, skek, skelh₁, skelh₂, skelh₃, skelh₁, skeng, skenǵ, skerb, skerbʰ, skerdʰ, skerh₁, skerh₂, skerh₃, skerp, skers, skert, skeu̯bʰ, skeu̯d, skeu̯h₁, skeu̯h₂, skeu̯t, skreb, skrei̯t, skrengʷ, skrei̯, skeh₁tʰ, skrei̯bʰ, skeh₁tʰ

5. Formally/Semantically comparable roots

 1.sker, sken, skek

6. Revised root variants

7. Comments

 A suffixed form *sken-do- from the root *ken- (Watkins 2011: 41).

8. References

LIV = Rix, Helmut et al. 2001. Lexikon der indogermanischen Verben: Die Wurzeln und ihre Primärstammbildungen. 2 Aufl. Wiesbaden: Dr. Ludwig Reichert Verlag.

Watkins 2011 = Watkins, Calvert. 2011. The American heritage dictionary of Indo-European roots. 3rd revised ed. Boston, New York: Houghton Mifflin Harcourt.