-hVn

Etymology
From, a variant of , probably related to and composed of -s- (internal locative suffix; see ) +  (with an epenthetic *-e-). The preceding vowel began to assimilate the vowel in the suffix.

Usage notes

 * See the appendix on Finnish nominal cases for more information on how the illative case is used.
 * Used after a monosyllabic long vowel: