This is the 699th most frequent Icelandic word.
rennur
"Rennur" in Icelandic means "flows" or "slides."
Here, "rennur" is used in its verb form, meaning 'flows', typically describing the movement of water.
Áin rennur hægt í gegnum dalinn.
The river flows slowly through the valley.
In this sentence, "rennur" metaphorically describes the passing of time, illustrating its use beyond literal motion.
Tíminn rennur í gegn, hvort sem okkur líkar það eða ekki.
Time passes by, whether we like it or not.
"Rennur" in this context is derived in the past tense as "renndi," referring to the sliding motion on a sled, showcasing its varied usages in describing motion.