" staid "

[Adjective]  | "staid" | \ ˈstād \

1: marked by settled sedateness and often prim self-restraint : sober, grave

Origin: 1557 ;

 From past participle of {see: |stay:3|stay:3};

[Verb]  | "stay" 

1: to stop going forward : pause

2: to stop doing something : cease

3: to continue in a place or condition : remain

Origin: 15th century ;

 Middle English, from Anglo-French estei-, estai-, stem of ester to stand, stay, from Latin stare{mat|stand|};

[Verb]  | "stay" 

1: to secure upright with or as if with stays

2: to incline (a mast) forward, aft, or to one side by the stays

3: to go about : tack

Origin: 1627 ;

[Adjective]  | "staid"