Latin obstō

→ Catalan antosta (mention)

→ Spanish obstar (mention)

→ French obstacle (mention)

→ French ôter (mention)

→ Old French oster (derived)

→ Old French hoster (mention)

→ Latin obstetrix (suffix)

→ Latin obstaculum (suffix)

→ Latin obstans (mention)

→ Latin obstaturus (mention)

→ Latin obstandus (mention)