[ten-it; Brit. also tee-nit] 
| any opinion, principle, doctrine, dogma, etc., esp. one held as true by members of a profession, group, or movement. |
| ten·et (těn'ĭt) n. An opinion, doctrine, or principle held as being true by a person or especially by an organization. See Synonyms at doctrine. [Probably from Medieval Latin, from Latin, third person sing. present indicative of tenēre, to hold; see ten- in Indo-European roots.] |