Bitterroot Valley you said you'd always be there for me

once a queen, now a nursemaid—it was a laughable thought, truly. but her life had turned a page, and she had chosen to start anew. if this was what her new beginning asked of her, she would embrace it.
yes, she replied, her voice steady and warm. if that is what you want.
she paused, her gaze softening as she considered his words. a mother, but not of blood—such a concept had its place even here, among the traditions of lanzadoii. she tilted her head thoughtfully before attempting the translation, the unfamiliar cadence of the language rolling awkwardly off her tongue.
mother...but not blood. she murmured, her brow furrowing in concentration. is there a word for that?