This is the 890th most frequent Icelandic word.
aukin
"Increased" or "enhanced."
Used as an adjective to describe an increase in the quantity or intensity of something, in this case, the amount of traffic.
Á þessum tíma árs er aukin umferð á vegunum.
At this time of year, there is increased traffic on the roads.
Used as a participle form of an adjective in a dative case, indicating the increased state of 'knowledge' (þekkingu).
Með aukinni þekkingu koma ný tækifæri.
With increased knowledge, new opportunities arise.
Here, 'aukins' is the genitive case masculine singular form, modifying 'skilnings' (understanding), reflecting an increase in depth or extent.