N2 — outside your level filter
write + prior to
kaku ni sakidatte
prior to; in advance of — a formal step taken before a significant, often scheduled event
meaning: prior to writing
会議を開催するにさきだって、資料を配布した。
kaigi o kaisaisuru ni sakidatte, shiryou o haifu shita.
We distributed materials prior to holding the meeting. neutral
発売に先立ち、事前予約を受け付けております。
hatsubai ni sakidachi, jizen yoyaku o uketsukete orimasu.
Ahead of the release, we are accepting advance reservations. formal