Exploratory

google

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late Middle English: from Latin exploratorius, from Latin explorare (see explore).

wiktionary

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From explore +‎ -atory.

etymonline

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exploratory (adj.)

mid-15c., "intended for exploration or scouting," from Latin exploratorius "belonging to scouts," from explorator "scout," from explorare "investigate, examine" (see explore). Alternative explorative is from 1738; explorational is from 1889.