Correct spelling

Saturday

Correct spelling, explanation: Saturday is a noun that comes from the translation of Latin Sāturnī diēsSaturn’s Day. The current spelling is modeled on Middle English Saturdai. Therefore, the only correct spelling is Saturday The incorrect version Saterday is probably a question of phonetics because the word is pronounced /ˈsæt ərˌdeɪ/ what can lead to the wrong spelling.

Definition of Saturday:
noun: a day of the week between Friday and Sunday;
I am free next Saturday, let’s go out and have some fun.
On Saturday, I am usually cleaning the house and doing grocery shopping for the whole week.


Incorrect spelling

Saterday

Incorrect spelling, explanation: Saterday is the incorrect spelling of the noun Saturday. The mistake is probably caused by the phonetics because Saturday is pronounced as /ˈsæt ərˌdeɪ/ and that can cause the mistake in spelling. This word comes from Latin Sāturnī diēsSaturn’s Day and later evolved from Middle English Saturdai to the current form Saturday.