dia-

DEFINITION of dia-

In medical contexts, dia- conveys ideas like passing through (e.g., diuresis for urine passage), complete examination (diagnosis), separation (dialysis for blood filtering), or transmission across (diathermy for heat through tissues). It originates as a preposition in Greek, adapting to denote directional or intensive processes in compound terms.

---

ETYMOLOGY of dia-

greek dia- derives from Ancient Greek diá (διά), a preposition meaning “through,” “between,” “across,” or “by,” akin to dýo (two) from PIE root dwóh₁ suggesting division or passage.

---

RELATED TERMS to dia-

Term	Meaning	Prefix/Suffix?	Notes
dia-	passage through	-	-
dia--gnosis	YES	-	-
dis-	-	-	YES
per-	YES	-	-
se-	-	-	YES
trans-	through	YES	-

---

DERIVATIONS of dia-

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(roots, (word) => econtains([[]].roots, word))) > 0 AND file.name != [[]].file.name
SORT file.name ASC

---

Query functionality

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name

Med roots dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms