subfodio
Could not find subfossis in Logeion dictionaries.
subfossis Verb: perfect passive participle feminine dative plural, Verb: perfect passive participle neuter dative plural, Verb: perfect passive participle masculine dative plural, Verb: perfect passive participle neuter ablative plural, Verb: perfect passive participle masculine ablative plural, Verb: perfect passive participle feminine ablative plural of subfodio
See: subfodere