yodan verb with 'su' ending (archaic), transitive verb
to live deeply in love
Archaic transitive verb describing spending one's days wholly absorbed in love. Found in classical poetry and pre-modern literature; not used in contemporary speech.
The expression 恋い暮らす can be found in classical waka poetry.
Compound of 恋い (archaic continuative form of 恋う, 'to love') + 暮らす ('to spend time'). The exact historical derivation is uncertain.