ございまーす

(polite ending used in set phrases such as “thank you” and “good morning”)

→ ござる
verb · formal Rare #42,125
(polite ending used in set phrases such as “thank you” and “good morning”) An expressive, drawn-out spelling of ございます.
JA: おはようございまーす。
EN: Good morning!
Conjugation of ござる
Indicative

ありがとうございまーす

Thaaank you!

— バトル・ロワイアル (2000)

おめでとうございまーす

Congratulations!

— バトル・ロワイアル (2000)

おはようございまーす

Good morning!

— 崖の上のポニョ (2008)

おはようございまーすよろしくお願いしまーす

Good morning! It's great to be working with you!

— One Cut of the Dead (2017)