Klein Dictionary, אמד ᴵ

אמד ᴵ to estimate, calculate, reckon.
    — Qal - אָמַד he estimated, made a rough estimate, assessed, appraised, valued, reckoned, conjectured, guessed.
    — Niph. - נֶאֱמַד was estimated, was assessed, was appraised, was valued.
    — Hiph. - הֶאֱמִיד he estimated, conjectured, guessed.
    — Hoph. - הָאֳמַד was estimated. [Aram. אֲמַד (= he estimated, appraised, assessed). According to E.Y. Kutscher, אָמַד is a loan word borrowed during the Babylonian captivity from Akka. emēdu (= to stand, lean against; to place, lean something upon or against something, load, impose taxes or fines) (for the etymology of this word see עמד ᴵᴵ); whence the noun emettu (= tax, fines). Other scholars connect Heb. אָמַד with Arab. ’amata (= he surmised, conjectured, guessed). cp. אָמוֹדַאי. cp. also עמד ᴵᴵ.] Derivatives: אֹמֶד, אֻמֽדָן, אָמוּד, אָמִיד, אֲמִידָה, הַאֲמָדָה.