English word oological comes from English -ical, English oology (The study of eggs, especially of birds.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -ical | English (eng) | Used to form adjectives from nouns with the meaning "of or pertaining to"; adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also. |
| oology | English (eng) | The study of eggs, especially of birds. |
| oological | English (eng) | Oologic. |