From 'ashar; a species of cedar (from its erectness) -- box (tree).
see HEBREW 'ashar
H8392. tebah
תֵּבָה noun feminine ark (properly chest, box (compare Late Hebrew תֵּבָה); probably Egyptian loan-word from T-b-t, chest, coffin (Brugsch, ErmanZMG xlvi (1892), 123); > Babylonian word JenZA iv (1889), 272 f. HalJAssyr., 1888 {Nov.-Dec.}, 517); — absolute ׳ת Genesis 7:1 +; construct תֵּבַת 6:14; Exodus 2:3; — vessel in which infant Moses was laid among reeds 2:3 (made of papyrus, גֹּמֶא), 2:5 (both E; ᵐ5 θῖβις, θήβη, compare LewyFremdw. 100); vessel which saved Noah and his family, with animals, during flood (ᵐ5 κιβωτός): Genesis 7:1, 7, 9, 17, 23; 8:6, 9 (twice in verse); 8:10, 13; 9:18 (all J), 6:14 (made of נֹפֶר עֲצֵי), 6:14; 6:15; 6:16; 6:16; 6:18; 6:19; 7:13, 15, 18; 8:1, 4, 16, 19; 9:10 (all P).
תְּבוּאָה see בוא. תְּבוּנָם תְּבוּנָה, see בין.
תובנתו see בין. תְּבוּסָה see בוס.