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接頭辞 ad-, ar-, at-, ap-, af-, as-, ag-, ac-, an-, a-

「その方向へ」、「付加」を意味します。

派生した英単語には attend や append があります。attend は「参加する」を意味します。参加するには開催地「へ向かい」ます。append は「付加する」を意味します。付加は「同じ方向へ」付け加えていくことです。

この語源は「動作に方向を付与、何らかの作用、状態の変化、接続、速度の上昇、度合いの上昇」といった印象の英単語をつくりやすいです。

ad- のつづりは ac-、af- などと多彩に変わります。変わりかたにはある程度の規則があります。accept の場合は、ad- に続く発音が cept で、cept の先頭の音は [k] であるため、ad- は ac- になりやすいです。affect の場合は、af- に続く発音が fect で、fect の先頭の音は [f] であるため、ad- は af- になりやすいです。

ラテン語 ad が由来です。ad の語源は印欧祖語 *ad- だとされます。

以下に派生した英単語 235 語を記載します。

「その方向へ」の英単語

abet, abetment, abettor, accelerate, acceleration, accelerator, accept, acceptability, acceptable, acceptably, acceptance, accepted, acceptive, acceptor, access, accessibility, accessible, accessory, accompany, accord, accordance, accordant, accordantly, according, accordingly, accordion, accordionist, account, accountability, accountable, accountant, accuracy, accurate, accurately, accurateness, accustom, accustomed, accustomization, acquaint, acquaintance, acquaintanceship, adapt, adaptability, adaptable, adaptation, adapted, adapter, add, addable, addendum, adder, addict, addicted, addiction, addictive, adding, addition, additional, additionally, additive, address, adhere, adherence, adherent, adjoin, adjoining, adjust, adjustable, adjuster, adjustment, administer, administrate, administration, administrator, admission, admit, adolescent, adopt, adoption, adorn, adornment, adsorb, adsorbate, adult, adultery, adulthood, adverb, adverbial, adverbially, adverse, adversely, advert, advertise, advertisement, advertiser, advertising, advocate, affair, affect, affected, affection, affectionately, affective, affirm, affirmable, affirmation, affirmative, affirmatively, affluence, affluent, affluently, aggravate, aggravated, aggravating, aggravation, aggregate, aggregately, aggregation, aggregative, aggress, aggression, aggressive, aggressively, aggressiveness, aggressor, agree, agreeable, agreed, agreement, alliance, allied, allow, allowable, allowance, ally, annex, annexation, announce, announcement, announcer, apart, apartment, apparatus, apparel, appear, applaud, appliance, applicant, application, apply, appoint, appointed, appointee, appointive, appointment, approbation, approval, approve, approving, approvingly, arrival, arrive, arriver, aspect, aspirate, aspirated, aspiration, aspire, aspiring, assail, assailable, assailer, assault, assert, assertion, assertive, assertively, assertiveness, assign, assignable, assignment, assist, assistance, assistant, assurance, assure, attain, attainable, attempt, attend, attendance, attendee, attract, attractable, attraction, attractive, attractively, attractiveness, attractor, availability, available, avenge, avenger, disagree, disagreeable, disagreement, disallow, disallowance, disappear, disappoint, disappointed, disappointing, disappointment, misapplication, misapplied, misapply, reassure, self-assertiveness, unavailable (219 語)

「付加」の英単語