FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

prostithemi προστίθημι — pros-tith'-ay-mee — from 4314 and 5087; to place additionally, i.e. lay beside, annex, repeat:--add, again, give more, increase, lay unto, proceed further, speak to any more.

see GREEK for 4314

see GREEK for 5087