The phrase “in assition” appears to be an archaic or possibly misspelled form, potentially derived from Latin roots. While not commonly used in modern English, it may appear in historical texts, ecclesiastical documents, or older translations.
Some scholars suggest it could relate to the Latin word assidere, meaning “to sit beside” or “to assist.” In that context, “in assition” might imply presence alongside someone—perhaps in a supportive or attendant role.
However, due to its rarity, precise definitions vary. If you encountered this phrase in a specific text, examining the surrounding context is essential for accurate interpretation.