-어서인지
-어서인지: Maybe Because — An Uncertain Cause
Cause hinge with uncertainty — maybe because… (often analysed as -아서/어서 + 인지).
How to form it
| When | Form | Example |
|---|---|---|
| ㅏ/ㅗ cause | -아서인지 | 가까워서인지 / 싸서인지 |
| Other stems | -어서인지 | 추워서인지 / 피곤해서인지 |
-아서/어서인지 hedges a cause: maybe because…
Curriculum gloss: a cause you are not certain of. The Intermediate 4 Unit 6 title itself uses the pattern: 산이 가까워서인지. There is no single 우리말샘 lemma for the whole string; classroom Korean builds it from cause -아서/어서 plus an uncertainty package (often analysed as 인지). Do not invent a fake atomic ending — teach the hedged-cause job.
What it does — keep “maybe” on the reason
Confident cause:
산이 가까워서 밤이 서늘해요.Hedged cause:
산이 가까워서인지 밤이 서늘해요.
바다가 가까워서인지 바람이 세네요.
어제 잠을 못 자서인지 머리가 아파요.Geography and climate talk thrive here: you propose a terrain reason without pretending lab certainty.
Forms
| Harmony | Shape | Example |
|---|---|---|
| ㅏ/ㅗ | -아서인지 | 가까워서인지 |
| other | -어서인지 | 추워서인지 |
Same vowel harmony as ordinary -아서/어서.
Near neighbours
| Form | Job |
|---|---|
| -아서/어서 | asserted cause |
| -아서/어서인지 | hedged cause |
| -는지 | embedded whether/question |
| guess endings (-나 보다 family) | conjecture on the result side |
추워서 코트를 입었어요. sure cause
추워서인지 손이 차가워요. hedged cause
추운지 모르겠어요. whether-cold embedWhen to use — and when to assert
Use -아서/어서인지 when the reason is a plausible guess.
Use bare -아서/어서 when you are willing to assert the cause.
Use -는지 when the open question is the content itself, not a because-hedge.
Practice rule: if deleting “maybe” would overclaim, put the hedge on the cause with -아서/어서인지.
Do not confuse it with
Taught alongside this
On the jabi learning path, this appears in 여기는 산이 가까워서인지 밤이 되니까 좀 서늘한 것 같아 (Maybe it's because it's close to the mountains, but it feels a bit cool here at night.) — Intermediate Korean 2, Unit 6, on the theme of Terrain and Climate. These come with it:
Words used above
Quick check
No sign-up, no score saved — just see if it stuck.
1. 산이 가까워서인지 밤이 서늘해요 suggests…
2. vs bare -아서/어서?
3. vs -는지 whether?
Common questions
Is -어서인지 one dictionary ending?
Not a single 우리말샘 headword. Taught as cause -아서/어서 plus an uncertainty package (often analysed with 인지).
Must the next clause be a guess?
Often a soft result (것 같다, 좀 …). The hedge lives in the cause piece.
Climate unit tip?
Terrain explaining weather — Unit 6 title uses 가까워서인지.
Can I use it for people excuses?
Yes when you are guessing why — keep the uncertainty honest.