(archaic) roundabout or mysterious ways of action

ship sank in fifty fathoms of water.  verb  to fathom something or someone out to un-derstand something or someone mysterious

Kept hidden from knowledge or view; concealed, Given to keeping one's thoughts and activities unknown to others; secretive, Beyond ordinary understanding; mysterious, noun_ Something that is kept out of the knowledge or sight of others or is known only to oneself or a few, A method or formula for doing or making something well, especially when not widely known, A concealed piece or suit of armor. Persons fearing assassination sometimes wear such defenses beneath their ordinary dress, transitive verb_ obsolete To keep secret.

Ardent emotional attachment or involvement between people; love, An intimate relationship between two people; a love affair, A mysterious, exciting, or fascinating quality, intransitive verb_ To write or tell romances; to indulge in extravagant stories, To think or behave in a romantic manner, To try to persuade, as with flattery or incentives, adjective_ Of or pertaining to the language or dialects known as Romance