Oldest form *h 2eik̑‑, colored to *h 2aik̑‑, becoming *aik̑‑ in satem languages and *aik‑ in centum languages.

agria, agro- agrostology, onager, stavesacre, from Greek agros, field, and agrios, wild.

aerie, agrarian agriculture, peregrine, pilgrim, from Latin ager (genitive agrī), earlier *agros, district, property, field.

acre, from Old English æcer, field, acre, from Germanic *akraz.

Oldest form *ag̑ro‑, becoming *agro‑ in centum languages. a-c all from Germanic *dagaz (with initial d‑ of obscure origin), day.įield.

dawn, from Old English denominative dagian, to dawn.Landtag, from Old High German tag, day.day daisy, today, from Old English dæg, day.Oldest form *ag̑h‑, becoming *agh‑ in centum languages. O-grade suffixed form *og-mo‑, furrow, track, metaphorically 'incised line.' ogham, from Old Irish Ogma (from Celtic *Ogmios), name of a Celtic god and traditional inventor of the ogham alphabet.Ī day (considered as a span of time).pellagra, podagra, from Greek agrā, a seizing. Possibly suffixed form *ag-ro‑, driving, pursuing, grabbing.Suffixed form *ag-ti‑, whence adjective *ag-ty-o‑, 'weighty.' axiom axiology, chronaxie, from Greek axios, worth, worthy, of like value, weighing as much.

ambassador, embassage, embassy, from Latin ambactus, servant, from Celtic *amb(i)-ag-to‑, 'one who goes around' ( *ambi, around see ambhi). -agogue, agony anagoge, antagonize, choragus, demagogue, epact, glucagon, hypnagogic, mystagogue, pedagogue, protagonist, stratagem, synagogue, from Greek agein, to drive, lead, weigh.act, active, actor, actual, actuary, actuate, agendum, agent, agile, agitate allege, ambage, ambiguous, assay, cache, coagulum, cogent, essay, exact, exacta, examine, exigent, exiguous, fumigate, fustigate, intransigent, levigate, litigate, navigate, objurgate, prodigal, redact, retroactive, squat, transact, variegate, from Latin agere, to do, act, drive, conduct, lead, weigh.Oldest form *ag̑‑, becoming *ag‑ in centum languages.ĭerivatives include agony, ambiguous, demagogue, essay, and squat.

Celtic *ad‑, to, at, in compound *to-ad-ni-sed‑ (see sed-).ad-, -ad adjuvant, aid, amount, paramount, from Latin ad, ad‑, to, toward.at atone, twit, from Old English æt, near, by, at.The American Heritage Dictionary of Indo-European Roots provides even greater detail on this subject. The American Heritage Dictionary Indo-European Roots Appendix For instructions on how to use this appendix, please refer to the Guide to the Indo-European Roots Appendix.

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