Formed through doubling the past tense suffix-었-(-eot-).
| Romanizations | |
|---|---|
| Revised Romanization? | eosseot |
| Revised Romanization (translit.)? | eoss'eoss |
| McCune–Reischauer? | ŏssŏt |
| Yale Romanization? | ess.ess |
| Yin-form | 었었(-eosseot-) |
|---|---|
| Yang-form | -았었-(-asseot-) |
-었었-• (-eosseot-)