What is the meaning of Kløyvd_infinitiv?

a Norwegian infinitive pattern in which infinitive forms may end in -a or -e, depending on whether the verb was historically a jamvektsord (“balanced word”) or an overvektsord (“overbalanced word”)

A spelling system for Norwegian verbs with two different endings for verb infinitives. The system is based on splitting of verbs into two categories, used in dialects of Eastern Norway and Trøndelag. The one category is verb infinitives with an a-ending (corresponding to å-ending in some dialects), and the other one is with an e-ending (corresponding to zero-ending in some dialects).

Source: wiktionary.org