TgIChron 9:27 :ארום עלויהון מטרתא‏ : for the responsibilty for the guard was on them [=MT כִּי־עֲלֵיהֶם מִשְׁמֶרֶת]
See the entire entry for ˁillāwē prep. above, on top of

TgIChron 9:27 :והנון ממנן על אקלידיא למיחד ולמפתח בעדן צפר בצפר‏ : they were appointed in charge of the keys for locking and opening each morning†
See the entire entry for qlīḏ, qlīḏā/ˀaqlīḏā n.f./(m.) key