-ward

суффикс, cуффиксоид, вторая часть сложных слов образует прилагательные и наречия со значением направления движения или направленности в какую-либо сторону Например: south-westward — в юго-западном направлении skyward(s) — к небу eastward — на восток, к востоку shoreward — по направлению к берегу seaward — направленный к морю, в сторону моря

Большой англо-русский словарь
-ward

I. adjective suffix also -wards Etymology: -ward from Middle English, from Old English -weard; akin to Old High German -wart, -wert -ward, Latin vertere to turn; -wards from -wards, adverb suffix — more at worth 1. that moves, tends, faces, or is directed toward
Example: riverward 2. that occurs or is situated in the direction of
Example: leftward II. adverb suffix or -wards Etymology: -ward from Middle English, from Old English -weard, from -weard, adjective suffix; -wards from Middle English, from Old English -weardes, genitivesingular neuter of -weard, adjective suffix 1. in a (specified) spatial or temporal direction
Example: upward
Example: afterward 2. toward a (specified) point, position, or area
Example: earthward

Merriam-Webster's Collegiate Dictionary