combatís
Combatís is the second-person plural present indicative form of the Spanish verb combatir, meaning “you all fight” or “you all combat.” It is used when addressing a group in regions that use the vosotrôs/vosotras form (primarily Spain and some parts of Latin America). In most of Latin America, the corresponding form for ustedes is combaten, since vosostros is not used there.
Grammatical notes: Combatir is a regular -ir verb. Its present tense forms are: yo combato, tú combates,
Usage and regional variation: Combatís is common in conversational and formal writing where the vosotros form
See also: Spanish verb conjugation, present indicative, vosotros form, ustedes substitution, combatir.