Situation
late Middle English (in situation (sense 2)): from French, or from medieval Latin situatio(n- ), from situare ‘to place’ (see situate). Sense 1 dates from the early 18th century.
wiktionary
From Middle English situacioun, situacion, from Middle French situation, from Medieval Latin situatio(“position, situation”), from situare(“to locate, place”), from Latin situs(“a site”). Equivalent to situate + -ion
etymonline
situation (n.)
early 15c., situacioun, "place, position, or location," from Old French situacion or directly from Medieval Latin situationem (nominative situatio) "a position, situation," noun of action from past-participle stem of situare "to place, locate," from Latin situs "a place, position" (from PIE root *tkei- "to settle, dwell, be home"). Meaning "state of affairs" is from 1710; meaning "employment post" is from 1803.