variety

積もる, 積る: accumulate, gather; estimate

be new, it has not been long since, still in the early days of, not many days have passed since

Alternative form of 日が浅い

looking and listening, seeing and hearing / experience, knowledge, what one has seen and heard

to look and listen, to observe, to experience

grateful

有難い, 有り難い: grateful; thankful; welcome; appreciated; evoking gratitude

(archaic, by extension now often humorous) thank you; I am very grateful

Alternative form of 積もる