
Building further on Sounsyy's speculation I'd like to point out that "Dys an sohm in/Our slumber disturbed" is unique within the stanza in that it's spoken in the past tense. Which may mean that "in" is simply a particle that affects the tense of a subject (in this case making it past tense).
V'aleera's Wiki - https://wiki.ffxiv-roleplayers.com/pages...eera_Lhuil
V'aleera's Tumblr - valeeralhuil.tumblr.com
V'aleera's Tumblr - valeeralhuil.tumblr.com