-라

Etymology 1
From, lenited form of.

It is not clear why lenition only occurred at these specific environments. Vovin speculates that lenition occurred at intervocalic environments except at verbal morpheme boundaries when preceded by a "minimal vowel": or. Hence lenition occurred after, but not after. To explain why only the stem triggers lenition and not the many Class H! verbs, all of whose stems end with a non-minimal vowel, Vovin suggests that all Class H! verbs were originally once closed-syllable stems with nasal or liquid finals. However, Vovin's arguments remain for the most part speculative.

Usage notes

 * Note that cannot occur after  and, because both derive etymologically from.
 * Hence, but ,.

Etymology 2
From.

Suffix

 * 1) because, since;

Usage notes

 * Its interaction with other suffixes, such as, suggests that the underlying form of this suffix is actually . However, this form never actually surfaces because it only occurs after two vowel-final stems.

Etymology 3
From ; see the main entry for more.

Etymology 4
Compare dialectal and.