End of the Line

These are not date-related but there is a theme at the End of the Line.

One

What word means “an explanation of the history of a particular word”?

---

Two

This Skoda compact SUV, named after a cryptozoological creature, was superseded by both the Karoq and the Kamiq?

---

Three

The Kabul River originates in the Hindu Kush mountains and flows 700 kilometres to empty into the …
What is the watery destination missing from the end of the above statement? 

---

Four

This fictional Great Dane first graced our screens in 1969 and continues to be a beloved figure on television and in both live-action and animated films. Who is this remarkable dog?

---

Five

Peter Cullen, Tesshō Genda and others have voiced which character from a media franchise that started with toys in the 1980s and has since spawned at least a dozen films?

---

Good luck! I’ll post the answers later.

---