以
by means of, because, in view of, compared with
Readings
On'yomi
- イ
Kun'yomi
- もっ.て
Nanori
- もち
Meaning
以 centers on using something as a reference point or means: doing something by means of something, because of a reason, in view of a situation, or compared with a standard.
Most common words using 以
20 of 76- 以上いじょうN4
not less than ...; ... and over; ... and above; ... and upwards; ... or more
- 以外いがいN4
excluding; except (for); apart from; other than; besides; in addition to
- 以前いぜんN3
before; prior to; ago
- 以下いかN4
not exceeding ...; not more than ...; ... and under; ... and below; ... or fewer
- 以降いこうN3
on and after; from ... onward; since
- 以来いらいN3
since; henceforth
- 以内いないN4
within; inside of; less than
- 以後いごN3
after this; from now on; hereafter
- を以てをもって
with; by; by means of
- 所以ゆえん
reason; grounds
- 以南いなん
... and southward; in and to the south of ...
- 以ての外もってのほかN1
outrageous; preposterous; most improper; most unreasonable; inexcusable; unpardonable; out of the question
- 以北いほく
... and northward; in and to the north of ...
- 以西いせい
... and westward; in and to the west of ...
- 以心伝心いしんでんしん
telepathy; tacit understanding; thought transference; communion of mind with mind
- 以東いとう
... and eastward; in and to the east of ...
- 以遠いえん
beyond; further than
- 以てもってN1
with; by; by means of
- 予想以上よそういじょう
more than expected
- あれ以来あれいらい
since then
Study
Etymology
以 originally depicted a person carrying something, later developing into a grammatical marker for means or reference. The modern form is highly stylized and its component history is uncertain.
Meaning mnemonic
The left side looks like a hook or tool, and the right side is a person 人. Picture a person using a tool as a means to accomplish something: by means of that tool, they get the job done.
Reading mnemonic
For イ, imagine an eagle (イーグル) using its sharp eyesight as a means to spot prey: eagle -> イ, and the eagle's vision is the means by which it hunts.