estuviese

first/third-person singular imperfect subjunctive of estar

estar

1. (intransitive) to be (have a temporary or permanent location in space)
2. (intransitive) to be (denotes a copula, in a transient fashion)
3. to be (auxiliary verb for the progressive/continuous aspect, preceding the gerund of the verb)
4. (intransitive) to be in a state (in a passive voice sense)
5. (reflexive) to be, stay (denotes a copula, in a transient fashion)
6. (intransitive) to be (still)
7. (intransitive) to be in a long-term state (in specific idioms)

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Hyphenated as

es‧tu‧vie‧se

Pronounced as (IPA)

/estuˈbjese/