INSIMUL TENUIT
insimul tenuit (in-sim-<<schwa>>l orin-si-m<<schwa>>l ten-yoo-it). [Law Latin “he held together”] Hist. A writ brought by a coparcener to recover a fee tail alienated by an earlier tenant; a type of formedon in the descender. See formedon in the descender under FORMEDON.
[Blacks Law 8th]