Index:Abbreviations/I
- I.-E., I.-Eur.
- Indo-European
- IEG
- Iambi et elegi graeci ante Alexandrum cantati, M. L. West, Oxford 1971–2 (2 vols.), 1989 (vol. 12), 1992 (vol. 22).
- IG,
- v. II
- IGC,
- v. index II.
- IGRom.,
- v. II
- IGSK,
- v. index II.
- IPE,
- v. II
- i.e.
- id est
- ib.
- ibidem (i.e. in the same work)
- ibid.
- ibidem (i.e. in the same passage)
- Icel.
- Icelandic
- Id.
- Idem
- Il.
- Iliad
- imper.
- imperative
- impers.
- impersonal
- impf.
- imperfect
- inc. loc.
- incerto loco
- incl.
- including.
- ind. or indic.
- indicative
- Ind.Lect.Rost.
- Index Lectionum in Academia Rostochiensi.
- indecl.
- indeclinable
- indef.
- indefinite
- inf.
- infinitive
- init.
- ad initium
- Inscr.
- Inscription
- Inscr.Cos, Cypr., etc.,
- v. II
- insep.
- inseparable
- instr.
- instrumental
- intens.
- intensive
- interp. or interpol.
- interpolated
- interpr.
- interpreted, interpretation
- interrog.
- interrogative
- intr.
- intransitive
- inv.
- inventory.
- Ion.
- Ionic
- iron.
- ironically.
- irreg.
- irregular
- Is.
- Isaeus
- Iterat.
- Iterative
- Izv.Arch.Comm.,
- v. IV