Transit

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late Middle English (denoting passage from one place to another): from Latin transitus, from transire ‘go across’.

wiktionary

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From French, from Latin transire(“to go across, pass in, pass through”), from trans(“over”) +‎ ire(“to go”).

etymonline

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transit (n.)

mid-15c., "act or fact of passing across or through," from Latin transitus "a going over, passing over, passage," verbal noun from past participle of transire "cross over, go over, pass over, hasten over, pass away," from trans "across, beyond" (see trans-) + ire "to go" (from PIE root *ei- "to go"). Meaning "a transit of a planet across the sun" is from 1660s. Meaning "public transportation" is attested from 1873.

transit (v.)

mid-15c., from Latin transitus, past participle of transire "cross over, go over, pass over, hasten over, pass away," from trans "across, beyond" (see trans-) + ire "to go" (from PIE root *ei- "to go"). Astronomical sense is from 1680s. Related: Transited; transiting.